How do I know if my LLY Duramax injectors are bad?
Symptoms of bad injectors on these would be engine over heating, loud knocking noise(should sound like a bunch of old typewriters), pour acceleration, white smoke emitting from the tail pipe. The easiest way to tell is to pull the oil dip stick and smell for a strong diesel smell in the oil itself.
How do you reset a 2005 Duramax?
Without pressing the pedals, turn the ignition key to the on position without starting the engine. Wait five seconds. Completely press the brake and the accelerator pedals simultaneously and hold for ten seconds. The system is now reset.
Are LBZ and LLY injectors the same?
The 2006 LLY and LBZ use the same injectors, but they are totally different from the injectors on the LB7 or the 2004.5 thru 2005 LLYs.
How do you reset the fuel filter on a 2020 Duramax?
The fuel filter life will change to 100% when the system has been reset. To reset the system, press and hold the thumbwheel for two seconds while Fuel Filter Life Remaining is displayed on the DIC.
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.
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 flaws in the Cummins Duramax?
Still, and just as we exposed the shortcomings of the almighty Cummins, the Duramax isn’t without its flaws—some of them catastrophic. For example, did you know the injection pump on the LML version is prone to coming apart and wrecking the entire high-pressure fuel system when it does?
How can I Keep my Duramax Diesel pump healthy?
However, there are measures you can take to keep the pump happy and healthy, the first being to always buy your diesel from a high-traffic, reputable filling station that’s known to dispense good, clean fuel. Second, always change the fuel filter at or before the recommended service interval.