What did the injector fail on my 2003 Duramax?
Was recently out of town in a friends 2003 Duramax during which, one of the injectors failed. Called the local dealer and they told me to bring it on in, and since I was from out of town they would get right on it.
What causes white smoke in a GM 6.6L Duramax engine?
A common issue with the GM 6.6L LB7 Duramax engine is white smoke at idle. Worn and damaged injectors are often the cause however there are other causes and considerations that should be looked at prior to injector replacement. INJECTORS STUCK OPEN OR WITH EXCESSIVELY LEAKING NOZZLES DIANOSIS 1.
Why is my Duramax not shifting out of 2nd gear?
Hey guy my name is john I have a 2001 2500hd duramax and it seems to me it’s not shifting out of either second or 3rd and the shift indicator lights work perfect but staying stuck in either 2 nd or 3rd gear any help would be so greatly appreciated 04LLYDMAX…. Did you ever figure out your problem?
How to repair a LB7 6.6 Duramax engine?
We carry a full line of repair and performance parts for these engines that we install in our shop on a regular basis. Odds are we have run across your problem before and would be glad to help. Call us at 1-877-367-9351.
What causes the injector on a Duramax to fail?
The two primary failure points of the factory injectors are internal cracking of the injector body itself and corrosion-induced failure of the internal ball seat. The solenoid style Bosch units found in the LB7 employed a non-hardened internal ball seat to seal the injector.
Are there any issues with the Duramax fuel pump?
The new injectors available from us and others are updated and do not have the cracking issue. Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank. The injection pump sucks all the fuel from the tank.
Hey guy my name is john I have a 2001 2500hd duramax and it seems to me it’s not shifting out of either second or 3rd and the shift indicator lights work perfect but staying stuck in either 2 nd or 3rd gear any help would be so greatly appreciated 04LLYDMAX…. Did you ever figure out your problem?
What are the problems with the Duramax LB7?
One thing the ’01-’04 LB7 Duramax is notorious for is injector failure. The two primary failure points of the factory injectors are internal cracking of the injector body itself and corrosion-induced failure of the internal ball seat.
When do diesel injectors need to be replaced?
If there is blue smoke at idle when warm, a check engine light, or diesel in the engine oil, these are signs the injectors probably need to be replaced. Other than the injectors the LB7’s seem to be pretty reliable truck though.
Which is the worst engine for fuel injector problems?
Click to expand… The LB7’s (2001-2004.5) were definitely the worst for injector problems. Running fuel from a good supplier seems to help, as well as running quality fuel filters and changing them regularly.
How much does it cost to replace injectors on a Lincoln LB7?
Other than the injectors the LB7’s seem to be pretty reliable truck though. You can save a lot of money by replacing the injectors yourself, but figure around 3-4K if you have them done at a shop. Lincoln sells the injectors $1700, and figure another $200 in misc parts.
Is there a Duramax 6.6 diesel fuel injector?
08 09 10 Chevrolet GMC DURAMAX LMM 6.6 SET 8 OEM DIESEL FUEL INJECTORS NO CORE!! 5.0 out of 5 stars. 4.5 out of 5 stars.
Which is GM 6.6L LBZ fuel system do you use?
Maximize the performance of your 2006-2007 GM 6.6L Duramax LBZ with the DDP LBZ-150 Remanufactured 60% Over Injector Set. This injector set is intended for use on 1000+ RWHP applications. Starting off as remanufactured, each injector receives extensive injector body modifications to flow more fuel.
How often should I rebuild my Duramax injector?
New OEM Control Valves & Nozzles In Every Rebuild. New OEM Control Valves & Nozzles In Every Rebuild. New OEM Control Valves & Nozzles In Every Rebuild. New OEM Control Valves & Nozzles In Every Rebuild. 4.5 out of 5 stars. 5.0 out of 5 stars. 4.5 out of 5 stars. 1 YEAR UNLT’D MILEAGE WARRANTY! New OEM Control Valves & Nozzles In Every Rebuild.
How much does a fuel injector replacement cost?
Upfront and transparent pricing. Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. GMC Sierra 2500 HD Fuel Injector Replacement costs $2048 on average. What is a fuel injector and how does it work?
Where is the CP3 injection pump in a Duramax?
The CP3 injection pump sits in the valley of the engine between the cylinder heads and is driven by the camshaft gear, and it has two main jobs: get fuel from the tank up to the engine, and pressurize the fuel to 26,000psi and ultimately inject it into the engine.
Why is my Duramax diesel engine not working?
The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.
Are there any problems with the LLY Duramax?
In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.
What causes the injector on a Duramax to leak?
Leaking Injectors—LB7 One thing the ’01-’04 LB7 Duramax is notorious for is injector failure. The two primary failure points of the factory injectors are internal cracking of the injector body itself and corrosion-induced failure of the internal ball seat.
Why is my ECM not working on my Duramax?
No crank, gauges dead, CTS programmer not connecting. Scanner showed coded U0100, U0101, and C0379. I performed all the usual checks: fuses, voltage,resistance of the high speed bus wires, etc. Eventually discovered that grounding the ECM to the chassis would allow it to start.
Are there any problems with the Duramax engine?
The failure is most common in higher horsepower engines, but can still occur in moderately modified and even stock power plants. Not specific to one version of Duramax in particular (ex: LB7, LLY, LBZ, LMM or LML), the problem exists across all generations.
What kind of fuel injector does a Chevy Silverado have?
Select your preferred location and we’ll note which parts are ready to be picked up TODAY. Fuel Injector, Diesel, Chevy, GMC, 6.6L, Duramax, LB7, 2001-2004.5, Each Fuel Injectors, Diesel, Remanufactured, Chevy, GMC, LB7 Engine Code, Each
Are there any problems with the GMC Sierra 2500?
Check out our GMC Sierra 2500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 2500.
Where can I find the recall information on my GMC?
View your GMC vehicle’s specific recall information and active notifications at the GMC Owner Center. GM Recall Information | GMC Recall Center | GMC Recalls View your GMC vehicle’s specific recall information and active notifications at the GMC Owner Center.
What causes a Duramax injection pump to fail?
As a result (allegedly), the lack of lubrication in the fuel can cause a premature failure of the injection pump, to a point where it won’t allow the LML Duramax to run. You can be driving down the road and everything seems normal, and when the pump fails, the truck just shuts off.
Are there any problems with my 2003 Duramax?
Thaks for the help. injectors,water pump,headgaskets,injectors again,instrument cluster,steering shaft,pinion seal,and injectors again. I have on 03 with 66,000 on it and know problems. Friend of mine has 03 asmost same truck and know problems with 145,000 on it. Sure love mine. P:S Injectors should be warrantied to 200,000.
In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.
What kind of engine does a Sierra 3500HD have?
The 30,990 lbs. rating requires properly equipped Sierra 3500HD Crew Cab Long Box 4WD DRW with available Duramax 6.6L Turbo-Diesel V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual.