cp3 pump fuel system

  1. T

    Difficult to diagnose. 2002 2500 several problems.

    So I inherited this truck from a family member and im not well versed in diesel engines/mechanics. Here are the issues im having and then i'll explain what has been done to the truck so far. 1. Wont exceed 2000rpm. From what ive read its in "limp mode". It will drive, and if i ease off the...
    • Tdubnrp
    • Thread
    • 2002 cp3 pump fuel system idle lb7 duramax rpm
    • Replies: 4
    • Forum: LB7
  2. duramax400ci

    Cp3 pump should I buy? Help?

    Hi I have a simple question and just want some opinions, I have a chance to buy anther stock used cp3 pump for 250 bucks, I was wondering is it worth buying and saving for later down the road for duel cp3's? Am going to shot for the 600 700hp range down the road. Thanks any help would be great!!!
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