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Duramax Second Generation: 2004.5-2005 (LLY) Discuss the second generation (2004.5-2005 LLY) of the 6.6L Duramax diesel engine & associated components. 2006 LLY engine discussion belongs in Third Generation forum due to the differences of the 2006 LLY and the 2004.5-2005 LLY. Engine related discussion ONLY. is the premier Duramax Diesel Forum on the internet. Registered Users do not see the above ads.
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Old 11-06-2009, 02:37 AM   #1 (permalink)
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Help with injector problem

So today i noticed that ever once and a while it sounds like the engine hiccups and the one time it did it i thought it felt like the power backed off for a split this my injectors starting to go?? and how do i know if its just the ice pick fix?? what are the some other signs i can look for? can someone help me out on this thanx
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Old 11-06-2009, 10:43 AM   #2 (permalink)
Tanc Crusher
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Hard to say without monitoring the PIDs of the engine or a code is thrown. If your thinking the ice pick then go ahead and do it.

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Old 11-06-2009, 11:05 AM   #3 (permalink)
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like Tanc's pretty much going to be the injector harness or the wiring harness at the alternator...either way...both should be addressed
2004 GMC Sierra 2500 HD SLT CC D/A LLY, Rancho RS9000X, ARE Z series, line-X, 3500 clearance lightbar under tailgate, Randy Ellis Design lightbar with 4 KC Hilites Ralley 800, Bridgestone Dualer AT 695 series in a 285-75-16, my Garage is weak but I am gonna work on it soon so somebody...anybody...will give me some love!

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