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  1. M

    Help: 04gmclb7

    still getting same rail pressure and also prime is hard no slopp from reading up on things its pointing me towards a cp3
  2. M

    Help: 04gmclb7

    my fuel pressure gauge says 13lbs thats what i normally run with my lift pump i had a snap on scanner put on it and all it brings up is a tcm code ??
  3. M

    Help: 04gmclb7

    ok guys i need some help here i started my truck it sounded like it was a knocking noise let it warm and took off was driving and the knock got a little louder and engine died. i have the lb7 motor its a 2004. it threw 68 codes on my tuner and the only codes it threw that was just numbers were...
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