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Lly bad injector symptoms

Home Injector Parts DYI Help Common Questions Not all the injectors we service have filters this bad but it's getting more common Remove the EGR Valve – Bad for Your Diesel Engine? imagery March 7, 2012 In an attempt to reduce diesel exhaust pollutants, the concept of the Exhaust Gas Re-circulation (EGR) system was implemented on all diesel trucks around the year 2007, per EPA regulations. What are the symptoms of a faulty fuel pressure regulator? It seems older cars have fuel injector issues much of the time due to the technology not being so great on single pintle injectors Could be an injector or a few other things. NET. Lly Bad Turbo Chevy And Gmc Duramax Diesel Forum. 6. It would turn …The big question is: Are the 6. Truck is used as a landscaping truck so it routinely hauls heavy loads all year. Injector Driver Modules IDM Today's Deals see all 1998 Dodge Ram Truck 5. 00+. Duramax 2006-2007(LBZ & LLY) Discussion related to the 3rd Gen 2006 LLY & LBZ Duramax engines. . 1) Do you remanufacture injectors? 2) Can you just do my nozzles and send them to me, my truck is a daily driver and I …My article in the Spring 2008 issue of maxxTORQUE deals at length with the problems of and solutions to that very well known rash of fuel injector failures in the early days of the Duramax. 5-10 This bad boy starts off with We also have these kits for the LLY engine now!!! Its not as difficult as you think it would be. The 7. 0L - Stiction or bad injectors???? - Need some help here. That could 11/5/2015 · Truck would surge pretty bad at around 20 mph and would The Turbo Forums. Such as: 1998 Chevy LBZ Conversion, New Updated Book Series!, War in the Desert, Auto Glass Replacement, 2001+ Headlight Repair, 6. Lastly, Lind has noticed failures in either the glow plug module or the glow plugs themselves. GM’s Tech Bulletins basically indicate that if one is bad, replace all 8. just sounded like a gang of midgets under my hood with hammers and was pouring white smoke out of the exhaust. 6 Liter. It is loud and nasty, and usually goes hand-in-hand with poor fuel economy and sometimes a rough idle. It's a big job, it's important to diagnose correctly! Symptoms:-Hazey, smokey idle that smells like fuel, especially bad when the truck is cold LB7 Injector Cups. No scan tool will tell you if "the injector is good" or "the injector just went bad". 6 L Duramax Fuel System for Dummies LLY, LBZ and LMM fuel and engine management systems. When this occurs, the unit sends coolant into the exhaust system, causing white smoke and steam. What's New. SSDiesel Supply ™ - Frequently Asked Questions. Got some bad fuel and had injector problems in the middle of nowhere. 4 with 240K hard miles on it, transplanted into a 1994 3500HD. 0 Powerstoke EGR Delete, EGR Valve, and EGR Cooler Explained Should you keep the egr cooler or install an EGR Delete?Unfortunately, the late 2004 and after cooler model is the source of a lot of headaches. It should be taken as an indication that there is a problem existing (or developing), that will potentially shorten the engine life, or result in unnecessary costs. 5 GM 6. 5-02 24 valve 5. If you have not read that article, it is well worth your time to go back and get educated on …CAUTION. The Injector Driver module controls the voltage going to the injectors. then your fuel injector is running at a low pressure. Simple install… Torque to 15ft/lbs. 6 LLY engine. That's the worst thing I've ever heard about LLY motors. 5 you dont have the lb7 motor which was known to have all the injector problems, im not saying that the injectors are not the issue however. 6 diesel? 2004. 2L/6. Is your diesel engine difficult to start? Back leakage and loss of pressure in the injector can give the following symptoms:- Hot engines cause fuel to evaporate, which can leave gum-like deposits that can change an injector’s ideal conical spray pattern to an irregular one, or even reduce fuel volume to the combustion chambers and cause drivability problems. Frequently Asked Questions. If you have a diagnosis of a failed injector, then Hot Fuel injection lines for 1989 - 1996 Chevy GMC 6. Page 1 of 2 1 2 Next > furchaser Joined: Sep 15, 2007. These issues tend to be VERY expensive. ESPECIALLY when you drive to dealer. Every Electronic Control Module (ECM) (also known as an Electronic Control Unit or ECU), has many factors specific to it that determines whether your part can be rebuilt. if its 2004. High Quality Fueling Solutions from Sinister Diesel At Sinister Diesel you’ll find the very best diesel fuel system components from trusted brands like AFE, AirDog, Alliant Power, BD Diesel, Dipaco, FASS, Ford Parts, GB Remanufacturing, Industrial Injection, Merchant Automotive , and PPE . Regards, 1. 13 Jul 2015 Injector failures are most common on LB7 trucks, but still present on newer -Hazey, smokey idle that smells like fuel, especially bad when the shows that +/-2. What are the symptoms of bad injectors in an LLY?? on mine and another buddieswhile truck is idling in park and idling in gear, you can see constant white smoke from exhaust and strong smell of fuel and from what I have been told and learned that is the injectors. LLY Duramax headgasket egr cooler leak test symptoms coolant pressure LLY: All 8 injectors bad The Comedy Club. Helps Solve P0087 and P0193 Codes on 2004. 5 GMC Diesel LLY, 6. My 05 will run good for weeks at a time. Lind suggests that LLY and LBZ Duramax owners check each glow plug before swapping out the module. that love to break off in the injector,I have DmaxStore LLY Head Gasket Replacement Package Fits 2004. Diesel Extreme will clean everything in your tank, lines and injector tips and remove moisture. They are a great running motor that can be made to be durable if maintained properly. Latest Articles! See below for recent articles. See all of the brand new editions of our 6. But it'll start no problem even in the cold. The second thing GM screwed up for us, is the fuel supply to the injection pump. 04. 5 to 2006, and was made with 310 hp and 605 ft. Ford Powerstroke 03-07 6. What are the symptoms or a bad injector control module 01 GMC 6. This is a common cause of long crank It takes only 15 minutes to determine, by running the engine, whether the treatment resulted in resolution of the symptoms of the fouling problem (poor idle, etc. The 8th digit of the VIN will identify which engine model you have. 5L Diesel Book Series. I am also finding bupkis for numbers, but I am guessing that something is out there since "they" can tell you that an injector is bad by looking at contribution, right? A spray pattern that does not match the OE injector’s spray pattern can cause driveability symptoms, higher emissions, starting problems and poor fuel economy. When I went to restart it. There is a code for BAD WIRING TO AN INJECTOR. Do Not use you fingers to find leaks! High pressure fuel entering your bloodstream may result in amputation or loss of life. 1992-2004. Tools: Fuel injector cleaning kit; the cost will be around $100 at an auto supply outlet. Learn what to do if your vehicle is affected. Bad injector orings. The injector cups are seated tightly into the cylinder head and held in by the injector via the injector hold down. The FICM is the Fuel Injector Control Module that sends the signal to the injector to open or close. Duramax Diesel Electronics - Digital Diesel LLY, LBZ, and LMM. I found Lincoln diesel had the best price for LLY injectors if you buy all 8. LLY Fuel Pressure Regulator $ 129. One of the first symptoms of a potential problem with the fuel rail sensor is hard starting. For example, an injector that has a narrow well atomized spray pattern (pintle) is replaced by a technician with a disc style injector that may have a wider spray pattern. 6L Duramax, ranging from LB7 injector issues to LML NOx sensor failures, fuel starvation and priming concerns, and premature glow plug failure for LBZ/LLY engines. 1. Never had any trouble in 8 years. It is not that there are bad oils on the market, but some are better for this engine than others. Bad EGR valve GM was eager to develop and speed to market the 6. Search for: Search. It often clears up after a few miles. GM Duramax 06-07 V8-6. 9 Cummins, it only has 78k pampered miles, but when i need to work it, the power is there. The TamerX Diesel Fuel Injector Cap / Block-Off Tool for 2001-2005 6. 5L Tech Tips 2017, Replay from 2007: DirtyMax, Rust, Duramax Water Pump Replacement Part I & Part II, 700R4 Thottle Valve Bracket 6/13/2010 · the "scanner said 4 and 7 are bad" doesnt mean anything either. A bad EGR, EGR vent, wastegate control, and transmission solenoid are on the same quad driver circuit and can cause intermittent stalling. The fuel system contains high pressure fuel up to 26,000 PSI. This is the number 1 cause of injector failure in the common rail engines. For LLY, LBZ, LMM The symptoms are constant smoke at idle and gaining fuel in the oil. A knock from what i think is a leaking injector in an LLY Duramax. LB7 Duramax CP3 Pump CP3 Common Rail Injection Pump 2001 - 2004 LB7 6. POOR FILTRATION! Not bad injector design. > 04. Out of the four Duramax motor types: LB7, LLY, LBZ, LMM (and LML now) the LB7 was the only model that came equipped with injector nozzle sleeves commonly referred to as injector cups. My harness has been replaced a few years ago and then repair about 1 year ago. There is none…. 0 Powerstroke 175cc Injector (Set of 8) from $922. LB7 Injector Cups. However cracked return fuel rails, improperly tightened return banjo connections, and in rare cases, a bad CP3 pump, can also cause the same symptom. 6L LLY GM Duramax Injector Nozzle Set. How to Replace a Fuel Injector in a Nissan Pathfinder. com - Fuel Injection Control Module Repair and PHP Tuning The codes are P0207 and P2146. Sometimes when I'm cruising down the road could be 5 miles or 50 miles. 6 lly engine with 194,000 miles I filled it up with diesel and drove it about 30 miles to my dad's house and shut the truck off. 02-20-11 01:59 PM - Post# 2049463 The subject is a 1996 Vortec 7. Now at 50k,My truck is experiencing same symptoms as other injector failures. In some situations, it can be useful to have multiple block-off tools, because multiple diesel injectors returning a small amount of diesel fuel will display the same symptoms as an individual diesel injector returning an excessive Symptoms of a Bad Fuel Pressure Regulator. 6. 6L Duramax Diesel Engine LLY 04-05; Dodge Cummins Injection Pumps. Generally, most owners and service techs are well aware May 9, 2008 The 05 LLY has a known #2 and #7 injector harness failure but my question is: What are the He said systems, thought he meant symptoms. the 2004 is the year that they switched motors. install all 8 new($160) and anti sieze the threaded portion. LLY/LBZ/LMM: 2005-2010 Trucks came from the factory with a 100K mile, 5 year warranty on injectors. 5 is when they start to become symptomatic LLY/LBZ/LMM:. However, the Bosch fuel injectors produced from the LLY to present have been rather bulletproof. Order Fuel Injector Seal/O-Ring Kit for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Mr Injector parts is your res . The short causes unburned fuel, loss of power 7) If a body is cracked the injector is bad, are there other reasons for having to replace an injector? There are components in the injectors that wear over time with the LB7 Duramax and 5. It is also important to maintain the proper psi in your injection system Bad injector orings. This is just a bad idea. You must do this to each cylinder, one at a time. Over time these will wear out or be contaminated causing inaccurate pressure control. I'm still not sure exactly what Stiction is. lb-ft of torque at Injector hold-downs and bolts If the electronic compression test identifies a bad cylinder, use the mechanical compression 209-09. same symptoms as other injector failures. The main problem is that it blows out a lot. This mod is used to recover and/or increase the set pressure. Verticillium wilt symptoms 15 . tsb list for the 2001 chevrolet silverado. The truck started knocking like crazy  What You Need to Know About Duramax Balance - Injectors Direct www. Can the oxygen sensor be going bad and not show a code? Mines is a 20 year old car but the symptoms are similar…i didnt notice this happening until after i got Home / Chevy / GMC Duramax Injectors / LLY 2004. A bad injector is always bad. Kit contents: 8 – Bosch Nozzles 8 – Injector O-rings 8 – Return Line Retaining Clips 8 – Injector Seal Washers. 2008 chevrolet silverado Posted by Anonymous on Jun 25, 2012. Usually a bad or failing fuel rail sensor will produce a few symptoms that can alert the driver to a potential issue. If its not yet all that warmedChevy/GMC Duramax 04. 5-05 LLY Forum Forums > 01-04. Jody is an engine and transmission tuning specialist with over 7 years of dedicated vehicle performance tuning experience for your Diesel or Gas powered . The biggest problem was the injector flaws from the LB7. Gelds lesson plan sample 16 . Removal and fitting does not require special tools. Product Search. 7L Powerstroke diesel! 6. 9L 250/350HP Dodge CR Stock Performance Plus Injector Set . 5 -'10 Trucks ONLY Solves most P1093 and P0087 codes. If any of you have experienced a failing injector, you know what I mean. This one had a more prominent set of symptoms, while all LLY trucks have this issue to some extent. LLY, LBZ, LMM: Injector issues with these engines seem to be few and far between and service is try and get away with changing only the bad one(s) and will almost certainly end up biting you in the ass LLY/LBZ/LMM: 2005-2010 Trucks came from the factory with a 100K mile, 5 year warranty on injectors. (save on labor) 2. 6L Duramax, ranging from LB7 injector issues to LML NOx sensor failures, and priming concerns, and premature glow plug failure for LBZ/LLY engines. I think the cause is a bad ECM. More 2002-2010 Jeep Liberty Fuel Treatment - Fitch F36288 - Fitch Fuel Catalyst Mar 29, 2018- Explore SuperNurse's board "Nursing" on Pinterest. The LLY was in production from 2004. Noid light confirm power supply. I Shop Injectors for the GM Duramax 6. Symptoms of Bad Fuel Injectors Knowing the symptoms of bad fuel injectors can help you to determine the problematic part during its early stages of failure. LLY engines have "2" as the 8th digit of the VIN. 3L Powerstroke ICP Injection Control Pressure Sensor. Injector blow–by, seat leaking Injector "blow-by" can be the cause of some of the following symptoms. Products. 6L LLY Duramax Common Rail Fuel Injector. The best LLY injectors should allow the engine to run smoothly, allowing for optimal vehicle performance. Get a free detailed estimate for a repair in your area. 6 Duramax Superceded by 0281002921. 6 engine vin 2-rpo lly nj. which I have at the moment. GM Duramax Diesel. 6 Duramax diesel tips for fuel system diagnosis primer pump is bad. Skip navigation LLY Bad Injector Grant Smith LLY Duramax headgasket egr cooler leak test symptoms coolant pressure Usually a bad or failing fuel injector will produce a few symptoms that can alert the driver of a potential issue. Usually a bad or failing fuel rail sensor will produce a few symptoms that can alert the driver to a potential issue. 6L LLY Duramax CP3 Pump Regulator. 2006 gmc Duramax LLY bad injector chris good. Troubleshooting Part 3 Ford Power Stroke Diesel Tech. I thought the power was still normal. (updated 10/2017). S. 0L Ford Powerstroke Engine One of the most common points of trouble and a common source of reliability complaints with the 6. GM Part Number = 97303751. As you're already aware, each cylinder needs 3 specific things to create power. 6L Duramax Diesel The Original Stiction Eliminator. 08-24-2014 04:53 PM Last Injector failures. The LB7 and the LLY Duramax engines used an intermediary module called the Fuel Injection Control Module or FICM to actuate the fuel injectors. Symptoms of a Bad Throttle Position Sensor. b. The lady that I talked to on the phone had no clue and there wasn't a man available for me to talk to. Back leakage and loss of pressure in the injector can give the following symptoms:-Hard or difficult starting/ difficult or impossible to start. 6L Duramax LLY FICM Injector Driver Module Diesel Injector LLY Turbo Mouth Piece; when it comes to the 6. 06-07 GM 6. 5 - '06) and newer aren't covered. I'm not an expert but I really don't know how you would know if the lower oring is bad other than some of the symptoms I described. Regular price: $199. Changing the FPR on a LLY Duramax. ). Genuine Bosch OEM Nozzles DLLA158P1385 – 0433171860. Duramax LLY; 05 LLY starting and surging issues; pressure P1094 can set with a bad FPR, FPRV, and possibly a bad injector. Bad Injectors? LLY . when scanned quickly but I don't have any of the other symptoms that would indicate a bad injector. A faulty fuel rail sensor may send an inaccurate signal to the computer which may cause the engine to experience hard Back leakage and blow-by. 0L Powerstroke. The #1 cause of injector failure in all common rail engines is poor filtration, not bad injector design. There is no "bad injector" code. See more from Brake & Front End. NAPA PROLink users may sign up for a FREE 14 day Mitchell1 ProDemand® trial subscription. How to diagnose blown or bad LB7 LLY LBZ LMM LML Duramax Head Gaskets Dynomite Diesel Injector Horsepower Ratings and Applications How to Know if You Have Bad Common problems typically associated with the 6. What are the symptoms related to a bad GM 6. Bad injectors dont just make the truck shut off and not restart like that. act - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Home » Electrical - Connectors » Duramax LLY/LBZ/LMM injector harness repair kit BT DieselWorks Duramax LLY/LBZ/LMM injector harness repair kit Sooner or later, most 2004. LLY Duramax headgasket egr cooler leak test symptoms coolant pressure A knock from what i think is a leaking injector in an LLY Duramax. Income taxes will be in next week and i don't wanna fork over 1200 for a few injectors unless i absolutely have to. Engine misfires and decrease in power, acceleration, and fuel efficiency. 7L Ford Injectors Stock Plus Injector Set $2900   Plus Refundable Core Charge* (Core Return/Exchange* Required) Stock Replacement Fuel Injector Set of 8 Injectors for the 2011-2013 Ford 6. 6L LLY/LBZ Duramax Diablosport Extreme PowerPuck 03-04 Dodge 5. premature failure is bad fuel with contamination or Inector ratle, bad balance rates, loss of power and bad fuel milage. 5-2005 / LLY Fuel Pressure Regulator. DP-Tuner is a small family business operated by dedicated performance enthusiasts. This was the most major failure that put a bad taste of Duramax into owners’ mouths. while compression test is done the glow plugs are out. 0L Powerstroke Updated Injector Rail Plug AKA "Dummy Plug" Symptoms are loss of ICP pressures which can cause 06-07 GM 6. even without symptoms like failing injectors, stiction is being made. 5 Diesel, or Buy a DS4 Injection Pump for 6. However, using the scan tool to kill the injector does not reduce rail pressure in the injector and the tip can still leak fuel, cap off lines one at a time (cap is tool # EN-47589) to pinpoint injector. The 2004 LLY was the first Duramax to utilize exhaust gas recirculation (EGR) and a variable vane turbocharger (VVT). The coolant filtration system will resolve that issue, I can’t guarantee your cooling system We what your 6. 6L Duramax LB7 OE# FOORJ02697. if you have a bad injector it will most likely wash the cylinders down lowering compression. Duramax Injector Failures-Cause and Prevention LB7: Many LB7 owners have had injector issues. 5-05 6. Remove The Defective Fuel Injector From The Rail And Install A New Fuel Injector In Its Place. Select your vehicle by clicking on the appropriate image below: Shop Fuel System for the GM Duramax 6. The sensor can develop plastic rot and the body of the little monster (Not much bigger than 4 sugar cubes) will crack causing the it to fail. Chevrolet-GMC Diesel Diagnostics Possible bad injector, use the scan tool to cancel one cylinder at a time and see if the smoke clears up. gm extended LLY engine warranties to 7 year/ 200k miles because of the injector issues. The injector pump and transfer pump on my truck are original. I have 04 duramax with 6. The engine models break down by the following codes, model years, and VIN numerals: It is also referred to as injector flow 04. 12 Jun 201613 Mar 2013most obvious symptom is the white smoke at idle and smell of raw fuel. Shim Mod. These 3 are: fuel, air, and spark. 5 LB7 Duramax Powertrain > symptoms of failing injectors thing do to the possibility of bad injectors Got some bad fuel and had injector problems in the middle of nowhere. Cracked fuel pickup in the tank? Bad injector? There are three other guys with LLY's over on DP with the same problem, no answers. Fuel injector test - bad fuel injector symptoms - *The Tamerx Diesel Injector Cap Tool Set For 2001-2005 6. The previous owner would tow up to 4 horses with it (I estimate to be about 8000 to 9000 lbs). 5-05 LLY Duramax LLY Duramax with 353,XXX kms is starting to show her age. - I just bought a 04 Chevy 2500hd with the 6. If you pick up bad fuel somewhere Hey, I hope all of you are doing well. Possible bad injector, use the scan tool to cancel one cylinder at a time and see if the smoke clears up. 0L needs to last longer and run better. 5-2005 LLY. Diesel Modules Engine Control Modules Powertrain Control Modules Transmission Control Modules Injector Driver Modules Fuel Injector Control Modules. Symptoms of a bad or failing Chevrolet Silverado 2500 HD Fuel Injector LB7 Duramax Genuine Bosch Reman Fuel Injector. It would help to know which engine you have LB7 Or LLY. 5L GMC / Chev Diesel Pickup. When a common rail engine fails to start, your first troubleshooting step should be to check fuel rail pressure. while keeping the engine competitive in the market. The second thing GM failed to design properly is the fuel supply itself up to the CP3 injection pump. 5-2010 Duramax trucks. 01 04 lb7 duramax symptoms were hard no start long crank time white smoke very little loss of power Duramax Diesel Engine Horsepower & Torque Uprgrades- Dura Maximus the designation LLY and was rated from the factory at 310 hp and 605 lb-ft of torque at the flywheel. What are symptoms of a bad egr in a duramax diesel 2008 chevrolet silverado - Chevrolet 2500 question. Instead, this generation Duramax is known for overheating issues, namely when towing heavy. Read through this section and learn the different ways your fuel injector lets you know that all is not right with it. sells a kit to repair the pump . no codes. -lbs. P0193 Fuel Rail Pressure Sensor Circuit High Input Possible symptoms; This signal is used by the PCM to adjust the fuel injector pulse width and meter fuel to Duramax injector problem keyword after analyzing the system lists the list of keywords Duramax injector problem symptoms. Is this caused from a bad injector on #7? I had a '99 cabrio that had a bad fuel pump. In the last year and only 10,000 miles, I hve had the same 2 injectors fail 3 times. #2 Bad fuel injector/s. Free 1 Year Warranty and Shipping Included. How do I Check for a Bad Fuel Injector? Related Articles. )will seat the rings with oil and raise compression readings. Signs of a bad injector are hard start, rough idle, black or grey smoke. Loud injector knock may be an early warning sign and drop in mileage should contribute. Injector "blow–by" can be the cause of some of the following symptoms. lly noisy fuel Symptoms of the injector cup failure include fuel in engine coolant and water pump failures. Shop online with confidence or call 937-452-5505. Home Forums > Specific Tech Sections > Turbo Diesel Forum > Duramax fuel pressure regulator Discussion in 'Turbo Diesel Forum' started by furchaser, Jul 14, 2011. 3L Injection Pressure Regulator-IPR Connector (No reviews yet) Write a Review A bad Fuel control Solenoid (part of the injection pump) can cause the same symptoms and codes. This is a prayer for help for a known problem that exists on every LLY. You hear this sound best when the vehicle is cold, or when sound bounces back to you from another car or wall. In some situations, it can be useful to have multiple block-off tools, because multiple diesel injectors returning a small amount of diesel fuel will display the same symptoms as an individual diesel injector returning an excessive Symptoms of a failing injector are a loud knock that is audible with the windows down. What are symptoms of a bad egr in a duramax diesel. 0L Ford’s bad rap. by Don Bowman . 2004. About 15 minutes in the motor revved, and the reset idle to a smooth sound no longer loping. OEM part number 10183974 Delphi 6703803 Bosch 0432217276 . Lastly, Lind has noticed failures in either the glow plug module or the glow plugs themselves. The problem I'm having is the warranty (GM) will not cover injectors due to moisture for a prolonged time that has rusted the hard lines going to the injectors. Other than this, there are occasional mechanical failures that can often be associated with any engine design. 0 Hi guys, been having some issues with my LLY with the turbo not spooling. Now you can FORD 6. I would start by logging the difference A bad Fuel control Solenoid (part of the injection pump) can cause the same symptoms and codes. The car needs to be turned off when you do it. 5L Tech Tips 2017, Replay from 2007: DirtyMax, Rust, Duramax Water Pump Replacement Part I & Part II, 700R4 Thottle Valve Bracket I had the injectors go bad on my duramax and there was no check engine light. 5-05 LLY Summary Duramax diesel injector driver codes with 6. Get detailed information on recall 06V417000 from the NHTSA and RepairPal experts. Signs of bad injectors. 0 Powerstrokes really that bad? To be honest, the answer is absolutely not. Fuel Injector Removal. I've had 2 injectors replaced within 10k miles of each other. 6L Chevrolet/GMC Duramax LB7, LLY is a toolbox essential for everyone working on common rail fuel systems. 6L Duramax LLY. 3L Power Stroke injectors sit in a brass sleeve that separates the injector, and fuel, from the engine’s coolant. When the bad injector is blocked off, the fuel pressure at the rail will increase and your engine will start. Check your injector wiring!!! - Ford Truck Enthusiasts Forums or it might be unclipped inside Diesel Technician Society Diagnose Weak Valve springs. Duramax Injector Failures-Cause and Prevention LB7: Many LB7 owners have had injector issues. Usually, when you have a bad or failing Chevrolet Silverado 2500 HD Fuel Injectors, it will produce a few symptoms that will alert the driver of a potential issue. will not start. 5-2005 GM 6. Troubleshooting guide for diesel fuel injection systems with Bosch inline fuel injection pumps Tank empty or tank vent blocked Fill tank/bleed system, check tank vent 1 OEM Ford Fuel Injector. The CP3 pump regulator controls the fuel pressure that is being sent to the injector fuel rails and the injectors themselves. 9L Dodge Cummins equipped with the Bosch VP44 injection pump already know the VP44 is extremely susceptible to failure caused by lack of fuel supply. The first time we ran it through mine, it was sounding like it had a hot cam in it from the lope of the stuck injector. May 18 2016, 2:16pm. You cant go wrong with a Cummins or Dmax. 0 injector core. LLY Duramax 2004. Symptoms are hard start / no start Some info regarding 2004 Nissan Sentra 1. What are bad fuel pressure regulator symptoms? What are some symptoms, I always have to press the gas when i turn on my car and its very rough to start, And the idle changes?, it also stalls out when i switch from park to drive, what are some symptoms of a bad fuel pressure regulator These trucks have several monikers (LLY, LMM, LBZ, etc) but are all fairly similar in design. Symptoms of bad injectors on these would be engine over heating, loud knocking It would help to know which engine you have LB7 Or LLY. 5L Tech Tips 2017, Replay from 2007: DirtyMax, Rust, Duramax Water Pump Replacement Part I & Part II, 700R4 Thottle Valve Bracket . | See more ideas about Tree nut allergy, Allergy asthma and Egg allergy. this could be a real problem if more than one injector is leaking fuel into the cylinders. Symptoms Of A BAD Fuel Injector. Home → GM Duramax → GM Duramax 01-04 6. Symptoms of bad nozzles may include white smoke, excessive fuel consumption, and/or low power. 5-2005 you get to the 150,000 mile mark it may be time to think about a injector refresh. 6L LB7 → 2001-04 6. [Archive] Discuss the second generation (2004. › lly duramax injectors 05 LLY - Clicking just started two days ago and can’t figure out the source If it isn’t chipped it could be a bad fuel rail sensor, bad pressure regulator, a Engine Runs Rough Under Load. summary: multiple driveability symptoms of long or hard starts, chuggle, rough idle and light or intermittent misfire due to clogged fuel injectors Determining if the sensor is bad is not a simple thin because of the type of circuit it is. This will cause your 6. I am thinking this is a dealer mis diagnosis and its the wire harness. Send a message via AIM to bboukari. Symptoms include excessive fuel usage as well as stalling, hesitating, hard starting, and loss of power. Hard or difficult starting / erratic or uneven tick over or idle / lumpy running / smoke on tick over or acceleration / black tar around the injectors and a chuffing sound from the engine when running. Chevy Duramax At Daves Auto Center Diesel, we are the premier source for all light and medium. injectorsdirect. I am sure there are other signs. we have a 2004 GMC K2500HD 6. 6L turbo diesel LLY/LBZ 7. (We don't share ANY data with ANYONE) We have tons of knowledge here for your diesel truck!Injector "blow–by" can be the cause of some of the following symptoms. 5-05 LLY - crank shaft position sensor. 9L I6 CUMMINS DIESEL PCM Sale Price : $848. No Home / Fuel Injector Cleaning and Flow Testing Service / Fuel Injector Symptoms Fuel Injector Symptoms Fuel injector symptoms for bad, faulty, dirty, clogged, or leaking injectors are : Chevy / GMC Duramax 04. 5 LB7 Duramax Powertrain > symptoms of are injector or pump issues. In some situations, it can be useful to have multiple block-off tools, because multiple diesel injectors returning a small amount of diesel fuel will display the same symptoms as an individual diesel injector returning an excessive Fuel Pressure Leak-Down Test. S-10CREWCAB. The ICP (Injector Control Pressure) sensor signals the ECM (Electronic Control Module) to signal the IPR (Injection Pressure Regulator) valve to increase pressure or decrease pressure. I researched problems with similar symptoms and found a fuel filter could cause issues like these. 11/16/2007 · LLY Injector Problem. 5-2005 LLY) of the 6. We’ve heard of rollin’ coal, but rollin’ snow? Why Fuel Injectors Go Bad: Poor Fuel Quality. For LLY, LBZ, LMM, see Enhanced Injector Return Flow Test above also. Each head has all new seats, guides, valves, and stem seals, as well as being resurfaced and magnafluxed. 00. which is supposedly the injector harness on #7. Duramax LB7 High Pressure Fuel Injector Rail Chevy Fuel Injector Replacement costs between $1009 and $1416 on average. )13 Jun 2010 Scanner said injectors 4 and 7, so I went ahead and removed all 8 and had them tested at a diesel shop down the road. Common causes that can contribute to these symptoms in your diesel injectors can be easily prevented. Bad injectors dont just make the truck shut off and not restart like that LLY's ('04. Bosch 0281002534 for 6. 99. 5-2005 LLY! XDP carries all the parts and accessories you need for the best diesel performance. A shorted injector coil that draws too much current, a bad injector driver, an ECM that cuts pulsation to the injector due to an overheating problem to keep the engine cooler and clogged injectors are all possible conditions that will set those persistent misfire codes. 0986-435-504 DURAMAX LLY DIESEL INJECTOR REBUILT - $225 PLUS $100 CORE DEPOSIT Rebuilt parts have had any bad components replaced with new components, while Home > Duramax lly injectors > Look for These Three Symptoms of Lb7 Injector Failure Look for These Three Symptoms of Lb7 Injector Failure By Auto Trader California on May 10, 2017 what are way to tell if my stock lift pump is going bad? Mine chatters, or something back in that region chatters, every once in a while at idle, if i give it a little throttle is goes away. 2007 GMC Acadia ECM ECU PCM Engine Computer. Special Price: $129. 7L injectors are The Best Cost Effective Maintenance has demonstrated that excessive blowby in these units can be minimized at low cost and Cleanpower Fuel Treatment and Fuel Injector Cleaner; Cylinder #7 Injector Circuit High. 5 LB7 Forums > 01-04. Replacement sensors do not normally require coding The fuel pressure sensor is a weak point in the loop system and all types are prone to failure. Thompson Diesel, OKC, OK. It will take an hour or so to run it all through, but it is about the best way to clean them short of pulling them out and ultrasonic cleaning them. A faulty fuel rail sensor may send an inaccurate signal to the computer which may cause the engine to experience hard LLY Performance Fuel Injector fits 2004. It often clears up after a few miles. These have the 14mm fitting on the injector end and the 12mm fitting on theMore Details » FICMRepair. Even with the proper tools, professional fuel injector cleaning equipment and specialized ultrasonic cleaning solutions it still takes us here at Injector RX about 45 – 60 minutes to properly clean injectors. 0 engine to produce the symptoms listed above. 6L LB7 GM Duramax Fuel Related → Bosch CP3 Common Rail Injection Pump 01-10 LB7/LLY/LBZ/LMM Duramax Bosch CP3 Common Rail Injection Pump 01-10 LB7/LLY/LBZ/LMM Duramax > If the injector being replaced shows signs of combustion sealleakage (figure 4) and the prior injector is missing the copper seal it will be necessary to replace the injector sleeve prior to installing the replacement injector. 15 Nov 2007 LLY Injector Problem Duramax 6600. had injector #8 misfire code replaced injector still has mis at idle suspect fpr but need some insight. Stiction Eliminator is cleaning the oil side of the engine while Diesel Extreme cleans the fuel side. Hard starting. Injector sets balanced within 4% at rated power Injector testing across full operating range Quantity Injection-to-injection quantity variation (shot-to-shot) Injection rate Injector return-flow Each in-house modified set comes with a calibration summary Full injector mapping available upon request. I love my '06 with the 5. 50 First, it's a van with 331000 miles on 5 of the 8 so if I replace one injector, I'm replacing them all this time. lly bad injector symptoms - Old VGT solenoid actuator can fail and show symptoms of a bad or defective turbo. Do you have the ability to watch misfire counts with a scanner? That bad injector could have contributed to carbon deposits on the valves. 5-2007, OEM Ford Motorcraft 6. Article by Potential Symptoms. 2005 LLY turbo not spooling, p0234 (self. Because of their location inside the engine this can result in dilution of the crankcase lubrication oil with diesel fuel. 5-2005 6. 6L LLY/LBZ Duramax Signs of a stuck open injector? but is now so bad that it's noticeable under regular driving conditions. Symptoms of a Bad Fuel Pressure Regulator. com/what-you-need-to-know-about-duramax-balance-ratesNov 25, 2015 The Duramax has proven to be a reliable engine since its introduction back in 2001. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Any LBZ, LMM, or LML Duramax is the way to go, try to stay away from the earlier LLY and LB7 engines. 5 - 2005 Duramax Diesel with LLY Engine Brand NEW 2004/2005 Duramax Injector from the original equipment manufacturer. causing damage to the fuel injectors. Your truck knowledge is missing! Registration is FREE, all we need is your birthday and email. 8 Fuel Pressure Regulator Location. I could find with similar symptoms, I already checked the harness and I 9 May 2008 The 05 LLY has a known #2 and #7 injector harness failure but my question is: What are the He said systems, thought he meant symptoms. Quick Links S-10CREWCAB. 800-500-0980 Email Us. Eliminate Low Fuel Pressure caused by Leaking Relief Valve . How to diagnose blown or bad LB7 LLY LBZ LMM LML Duramax Head Gaskets. It is common to have an uneven idle or a loping idle. 5-2005 LLY Duramax FICM - Fuel Injection Control Module. because the fuel pump is an electrical motor, and from my experience, if the pump is bad the engine. The truck will send an O3E P0380 code if one of the glow plugs has gone bad, but will also give this code if the module itself has failed. of torque. 165,000 miles. How to Tell if you have a bad ICP Sensor. Fuel Rail Pressure FRP Sensor for 2004 - 2005 Chevy GMC 6. Dynomite Diesel Injector Horsepower Ratings and Applications; Ford Powerstroke Diesel Help; How to Know if You Have Bad Duramax Head Gaskets and What To …2005 gmc lly misfire at idle when warm. Chevy / GMC Duramax Injectors Duramax Fuel Injectors & Accessories For Chevy and GMC Diesel Engines 2001-Current. If the problem is bad enough the varying idle RPM can cause the vehicle to want to move Does White Smoke Mean Injector Problems? White smoke from an LB7 Duramax engine often indicates faulty injectors. early LLY is 2 late LLY/LBZ is D "LMM is 6 LML is 8 Share Re: Signs of bad injectors. 5+ LLY/LBZ/LMM Duramax's will experience the dreaded "injector harness problem". The fuel pressure sensor is usually screwed into the common fuel rail (solid rail fuel injector feed pipes also bolt to this rail) . The Duramax 6600 Diesel Engine LLY D - LBZ 6 - LMM 8 - LML Symptoms can include either a slow loss of coolant or allow the cooling system to build excessive However, LLY engines do not have the same injector issues as the LB7 (and the LLY’s injectors are accessible without pulling the valve covers). Failure of the ICP sensor can cause a variety of mechanical maladies. com/youtube?q=lly+bad+injector+symptoms&v=1p3CKAR9Nn0 Mar 4, 2016 My 2005 LLY Duramax was not running correctly getting poor fuel mileage. If you know your way around the engine, the easiest way to figure out the problem is by checking the vacuum hose for fuel in it. basically the heads were made to big causing the injectors to go bad sooner then they should be Re: Signs of bad injectors early LLY is 2 late LLY/LBZ is D "LMM is 6 LML is 8 Diesel Engine Injector Diagnosis. › Lb7 injector kit › Lb7 injector set › Lb7 injectors replacement Reman Exchange Fuel Injector for 2004-2007 Ford 6. by Contributing Writer; How to Change the Fuel Injectors on a 5. What we have been seeing though is Nov 20, 2017 The owner of this GM Duramax was headed to Montana on vacation with his family and camper trailer in tow. Possible bad injector, use the scan tool to cancel one cylinder at a time and see if the . com Forum Read more How To Clean Your Car Fuel Injectors - Chevy , Honda , Ford , Toyota , Nissan etc. PUMPS Ford Powerstroke HPOP High Pressure Oil Pumps, 6. 03-04 5. 4 Ford Engine. Sinister Diesel Head Gaskets & ARP Stud Kit w/ Exhaust & Intake Gaskets for 2001-2005 Chevy Duramax LB7/LLY (0) Reviews ECU Repair ECM Repair. The job pays 8 hrs to replace them on top of $300-400 per injector. Hello, I own a 2005 LLY truck. Bad injectors? I am replacing my injector tubes. 6 Duramax LLY Injector Rebuild Kit With Tools At Bitterroot Diesel From the nozzle to the connector PUMPS Ford. Symptoms: Dilution-Dilution problems usually occur because of a cracked injector. 6L 2006-2007 LBZ - Fuel System! XDP carries all the parts and accessories you need for the best diesel performance. Isuzu changed the injector placement to make them much easier to change out, but Bosch’s newly designed injectors are much less prone to failure. 5 - 2005 GM 6. Swamp's Diesel Heavy Duty rebuilt 58v FICM for 6. If any of you have experienced a failing injector, you know what I mean. by acesneights1. What are the symptoms of bad injectors in an LLY?? on mine and another buddieswhile truck is idling in park and idling in gear, you can see constant white smoke from exhaust and strong smell of fuel and from what I have been told and learned that is the injectors. Had to get the truck running to get to the next town. Part# LLYHDGSKT This kit contains everything you will need to replace both head gaskets on your LLY Duramax. One of the most common symptoms of a potential problem with a fuel injector is engine performance issues. After stopping for lunch, the owner  the 6. 03 Lb7 Duramax Bad Injector is popular Free Mp3. It's had a whole list of problems that previously were just annoying, but recently got bad enough to cause major grief. Of course, GM filed for bankruptcy, so dealers were routinely replacing only the injectors that were weak on an injector balance test. 2L & 6. 5I had the injectors go bad on my duramax and there was no check engine light. Video is meant to give an example to what a few bad injectors and a crappy fuel pressure regulator sound like. Clogged fuel injectors diagnostic is difficult because they act same as bad coil, spark plug, plug wire or dead injector. Diesel Smoke tells YOU a Story Basically, smoke from a diesel engine indicates that something is not right. Ford 97-2003 7. 6 L LLY Duramax; Sprinter Diesel Diagnostics if more replace the bad injector, clear the memory and rerun the test. lly bad injector symptomsJun 12, 2016 Got some bad fuel and had injector problems in the middle of nowhere. ask. Other The TamerX Diesel Fuel Injector Cap / Block-Off Tool for 2001-2005 6. This industry leading productivity enhancing tool provides your shop with the most current technical repair information, TSB's, repair procedures wiring diagrams, factory recalls, maintenance schedules and much more. Simple fix for broken, burnt, shorted solenoid Injector "blow–by" can be the cause of some of the following symptoms. Could be a unclipped Uvc harness or a bad wireyou need to take the Valve cover off on that side and check it out. Engine related discussion ONLY. 6L Chevrolet/GMC Duramax LB7, LLY is a toolbox essential for everyone working on common rail fuel systems. Rough Back leakage and blow-by. May 25 2016, 7:28pm. Put Your Foot Down How To Boost Turbo Diesel Power Sunshine. - My injectors were failing and the only sign that I got was smoke. Fuel injector test - bad fuel injector symptoms - *The DFC Diesel Rebuilders offers a full line of remanufactured cylinder heads. November 27, 2012 Signs and symptoms of Weak Valve Springs. You are familiar with an injector going bad,correct ?4 Oct 2017 I went and just helped him out a bit today and went to start up one of the trucks that had been sitting for a while un used (2005 with the LLY. COM's evolution! I had an injector go bad around 25,000 mi but they just replaced the bad one, what does he mean by GM footing the I have replaced I think if you have injector problems you are more likely to have blue or white Signs of bad injectors : LLY DURAMAX 6600 - The Diesel Page Sinister Diesel - Engine Rebuild Kit. 6L 2004. Permalink Gallery Buy Fuel Injectors Online, Save Hundreds. Items you will need. 04. or let air seep in due to a bad housing o-ring or water-in-fuel sensor o-ring. Got some bad fuel in the middle of nowhere and had injector problems. In addition to the above changes incorporated into the LLY, the engine also includes a new closed PCV (Positive Crankcase Venting) system, the fuel-rail pressure sensor is now capable of measuring up to 200 MPa (up from 180), and there is a new test kit and procedure that streamlines the fuel injector flow-rate tests. Play and Listen just a short update on my 2005 lly duramax ill walk through the symptoms and details about a This is a Remanufactured 6. Injector Pump Problem. 5L engines with the DB2 mechanical injection pumps. Return Diesel Injector Cores, Save What are symptoms of a bad egr in a duramax diesel 2008 chevrolet silverado - Chevrolet 2500 question What are symptoms of Share on Facebook Injector pulse When the bad injector is blocked off, the fuel pressure at the rail will increase and your engine will start. You would have other symptoms if it was fpr. Here's a quick and  Duramax LLY Injector Fix - watch before replacing the injectors www. Clogged Fuel Injector Symptoms Cleaner Hq. I did the icepick repair- samereplaced the #7 pigtail (soldered the connections)- same engine light and codes. Maybe try this first if you think you have an injector going bad. Ultrasonic fuel injector cleaning and flow testing is the only process that can guarantee reliable and complete fuel injector cleaning. Diesel) submitted 3 years ago by notafedora 6. I was told by a  2006 gmc duramax bad injector temp fix - YouTube www. may cause heavy smoke and low power, as well as some other symptoms. Chances are, your truck already has the better injectors. but once I replaced them it felt like a whole new truck. The engine models break down by the following codes, model years, and VIN numerals: It is also referred to as injector flow The injector coil does not produce enough force to overcome that static friction to engage the injector spool valves. Is your diesel engine difficult to start? Your injectors maybe at the root of the problem. Bad mass air flow sensor symptoms vw duramax or a bad injector bleeding off. 4L Fuel Pump Replacement High Pressure Oil Pumps Why Replace your High Pressure Oil Pump? A High Pressure Oil Pump may weaken or fail over time, causing costly damage to your injectors and other systems. A bad or problem IDM may cause the following symptoms. ausing the fuel pressure that was entering the injector to be returned to the fuel tank. It's a peizo-electric sensor, kinda like the little chime in most digital watches. 6-liter LB7 Duramax, which produced 235 horsepower. 05 LLY injector knock PLEASE HELP. As you might know,when injectors start to fail,even I've been listening to Diesel clatter for a long time, and picking out a bad A bad Fuel control Solenoid (part of the injection pump) can cause the same symptoms and codes. ALL of them were bad. I do have a bad driver side engine mount I’m most likely going to replace today. A bad fuel injector will effect the spark plug, cause detonation, effects the oxygen sensor and catalytic converter, and We also have these kits for the LLY engine now!!! Its not as difficult as you think it would be. 0's injectors are getting bad get a new set of OEM injectors at a great price. I thought I would need to replace at least 2 injectors. If the engine starts, it is an indication of a bad injector. PDF - Excessive Crankcase High Pressure Oil & Injector Pumps Ford 7. Duramax LLY Specs & Info The LLY is indicative of the Duramax's towards meeting strict emissions requirements in the U. Search. Eight Signs Of A N Head Gasket. Check for obvious fuel leaks on the exhaust manifold caused by a bad injector flooding a cylinder. . 0L diesel stock injector. 20o5 duramax diesel lly w/(78900) miles injector issues with moisture contamination ?????. If When the bad injector is blocked off, the fuel pressure at the rail will increase and your engine will start. Quick Overview. P0201 Cylinder 1 Injector Circuit Malfunction. ESPECIALLY when you drive to dealer. 50HP, 100HP, and larger! (Please note that some 2004 Duramax engines use the LB7 engine and a different injector. 9L 24 Valve Could this be the FPR acting up? I was told it would cause a lumpy idle, but nothing else. 3/13/2017 · Welcome to The Truck Stop! We see you haven't REGISTERED yet. #3 2007 GMC Duramax 3500 HD - fuel problems loss of power - Cars & Trucks question it will cause those symptoms. Shop by Make/Model. Then let me know what codes come up along with symptoms and As most of you that own and drive 98. The ECM did not control the fuel injectors directly, although it pulsed a specific injector output for each injector that was hardwired to the fuel injection control module. Duramax LB7 Smokes at idle I showed him the trucks exhaust while running and he said it had nothing to do with bad The Bad Lands - Off Topic 18+ NO Other Diesel Forum has given away as many Diesel Items as Diesel Bombers ! Discussion of Chevy and GMC Trucks with LLY NEW 6. In some situations, it can be useful to have multiple block-off tools, because multiple diesel injectors returning a small amount of diesel fuel will display the same symptoms as an individual diesel injector returning an excessive Lb7 Fuel Pressure Relief Valve Duramax is popular Free Mp3. In some situations, it can be useful to have multiple block-off tools, because multiple diesel injectors returning a small amount of diesel fuel will display the same symptoms as an individual diesel injector returning an excessive Duramax LB7 injectors are also known to develop external leaks. 6L Duramax LLY/LBZ Home / Vehicles / GM Duramax We carry a full line of fuel injection pumps, lift pumps, injectors and injector nozzles. Bog forex rates 17 . 6l Duramax Lb7/lly (8 Pack) - New for sale in Hemingway, South Carolina | Lunny's Auto 04-07 Ford 6. If you notice any of the following symptoms, call your mechanic immediately and talk about ordering replacements. See the service manual for Diagnosing Diesel Engine Knocking Noises engine noises you are hearing are good or bad? From my years of troubleshooting diesels, I have learned the very best way Fits Duramax Diesel 2004 1/2 and 2005 LLY ENGINES. If it is found that your injectors are bad and not covered for whatever reason, you're looking at $800-$900 per injector (the part only). These injectors come with a 3yr Unlimited Mile warranty from Ford ! If your 6. It's the fuel injectors job to …Probably because of the early Duramax LB7 injector issues I mentioned at the start of this article, the fuel injectors are by far the component that causes the most concern among vehicle owners. LLY, LBZ, LMM: Injector issues with these engines seem to be few and far between and service is definitely much easier. 2006 LLY engine discussion belongs in Third Generation forum due to the differences of the 2006 LLY and the 2004. Unfortunately the best thing to do if you have this problem is to replace the whole set at once. It's a big job, it's important to diagnose correctly! Symptoms:-Hazey, smokey idle that smells like fuel, especially bad when the truck is …How to Locate a Bad Diesel Injector. Lly duramax symptoms: Injector symptoms: Symptoms bad lb7: 6. Posted on Nov 01, 2011. Regulates the pulse that fires the injectors. Injector replacement on the LB7 truck is rather labor intensive and just changing one is usually not worth the risk for the labor costs. But Dodge has a dozen Chevrolet Fuel Injector Cleaning #03-06-04-030 - Multiple Driveability Symptoms Due to Clogged Fuel Injectors - GrandAmGT. There have been some unusual failures such as broken rods or pistons, but very few accounts. The setup is illustrated below for the LLY, LBZ, LMM engines. 6L 04. And I know GM wants a little over $400 per injector if your paying full list price. They believe in putting their customers first and letting the products they sell speak for themselves. The tests are very extensive for the LLY versus the LB7. 5-05 LLY Duramax CP3 Regulator The CP3 pump regulator controls the fuel pressure that is being sent to the injector fuel rails and the injectors themselves. 9 Cummins having the shortest life of all Bosch Common Rail injectors. No Usually a bad or failing fuel injector will produce a few symptoms that can alert the driver of a potential issue. As you might know,when injectors start to fail,even LLY: All 8 injectors bad User Name There is a code for BAD WIRING TO AN INJECTOR. As you're already aware, each cylinder needs 3 specific things to create power. High Output Common Rail Pumps Description. com/youtube?q=lly+bad+injector+symptoms&v=CGBhEzopPQ4 Jun 12, 2016 This is a 2006 gmc duramax lly. Otherwise, these trucks share the same common issues. Posts: 11. GMCChevy Druamax 6. GMC. PMD (Pump Mounted Driver) Buy PMD for GM 6. Symptoms Of A BAD Fuel Injector. Add to Cart. 6L Duramax Diesel Engine LLY 04-05; INJECTOR, 6. Skip navigation LLY Bad Injector Grant Smith LLY Duramax headgasket egr cooler leak test symptoms coolant pressure Chevy and GMC Duramax Diesel Forum > Chevy / GMC Duramax 01-04. But I don’t have the symptoms of a the symptoms of a bad EGR valve; a leaking fuel injector, bad ignition timing, bad cylinder compression, bad oxygen sensor, or other problems. Can The Dpf Cause Turbocharger Failure. 7/27/2004 · Bad or Weak Injector Pump signs Technical Info: 2nd Gen NON-DRIVETRAIN It sounds as though if the injector pump is going bad, there's a definite sign. Injector pulse duration is determined by the measured rail pressure and the target injection fuel into each cylinder. View Full-Size Image. 5L Tech Tips 2017, Replay from 2007: DirtyMax, Rust, Duramax Water Pump Replacement Part I & Part II, 700R4 Thottle Valve Bracket How to Change the Fuel Injectors on Ford Cars. Later versions including the LLY, LBZ, LMM and LML would use more sophisticated turbos and engine controls, ultimately increasing both horsepower and torque by about 80 percent from 2001 to 2011. some of them have the problem when towing, but all at same speed, same boost, same exact symptoms. Dodge Mins. Other than that, duramaxes are tough reliable engines. Injector Control Pressure (ICP) Sensor. Injector "blow-by" occurs What Are the Symptoms of a Bad Map Sensor? Signs and Symptoms of a Defective Crank Position Sensor. 6L Duramax diesel engine & associated components. When used in conjunction with Hot Shot’s Secret Stiction Eliminator you will be giving your truck a complete cleaning on the inside. G. This is usually the cause of this code but doesn't rule out the A gasoline engine will show more symptoms of a vacuum leak at idle since they will not idle smoothly, will misfire, or detonate. I had the injectors go bad on my duramax and there was no check engine light. 0L POWERSTROKE PROBLEMS IN WHEAT RIDGE, CO. I am a master tech and formal expert on this site. If you smell fuel on it, then your fuel injector is running at a low pressure. Bad injector. So right off the get go you are allowing particles 10 times larger than the injector can even handle; pass through them. New Common Rail Solenoid for 2001-2004. 5-2005 Chevy / GMC 2500HD / 3500HD. The design and labor costs dictate a complete set replacement in most cases. I had the injectors go bad on my duramax and there was no check engine light. What Happens When a Fuel Injector Goes Bad? The TamerX Diesel Fuel Injector Cap / Block-Off Tool for 2001-2005 6. 2006-2007 6. M. your noise could be a bad pulley When the bad injector is blocked off, the fuel pressure at the rail will increase and your engine will start. The downside of the LB7 is that its injectors are under the valve covers (a lot more labor)