starting rough

  1. M

    Starting in limp mode

    Hello fellow LB7 owners, I have an 03 2500HD with 266K that is starting in limp mode. Batteries and alternator are new and tested. CP3 pump has pressure. Fass pump is working and is a little over a year old. Every morning when I go to start it will start in limp mode. If I shut her off, open...
    • Masterblaster
    • Thread
    • limp mode starting rough
    • Replies: 1
    • Forum: LB7
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