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1-4 of 4 Results
  1. Duramax Second Generation: 2004.5-2005 (LLY)
    2004.5 gmc 2500hd duramax looking for some insight on this code. The truck runs awesome and this is the only code in the system even after a couple thousand miles.
  2. Duramax Second Generation: 2004.5-2005 (LLY)
    I'm attempting to bring an 05 LLY back to life. Had to remove the engine to get at some very very stuck injectors. Now that everything is back together I'm having a ***** of a time getting the air bled from the fuel system to get it to fire. The injection pump is brand new, as are the...
  3. Duramax Second Generation: 2004.5-2005 (LLY)
    So I just picked up an lly a few months ago and have been slowly upgrading parts and getting it the way I want it. It's got 190k on it and just had the head gaskets done before I bought it. It was smoking quite a bit when I bought it so I checked injector rates and found that I had 2 out of spec...
  4. Medium Duty Trucks
    I have a 2007 c5500 kodiak bus with a 6.6 lly duramax. It’s one of very few of its year to have an lly in it so I’m haveing a hard time finding exact parts and kits on any site because they all say it should be an lmm because it’s an 07. I’m trying to get a egr delete kit for it so if anyone...
1-4 of 4 Results