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  1. R

    07.5 lmm 6.6 2500hd 4x4 crew cab

    Can I delete limp mode?
  2. R

    07.5 lmm 6.6 2500hd 4x4 crew cab

    I was on here while back trying ta figure out my truck. I just about gave up on it. but I'm ready to try again. So I have 07.5 6.6 lmm . Was running rough it was bout filter time so changed filter no help ordered new housing and filter nope got new fpr nope put in performance plug. then took to...
  3. R

    2007.5 silverado 2500 with multiple codes

    ok thank you for the reply. I will get a test kit and let you know results
  4. R

    07 late model Silverado 2500 Duramax

    My truck started surging at Idle it was close to filter time so changed fuel filter ,no help. Orderd FPR & PP mean while truck goes into limp mode. Got parts changed both, still in limp mode. need help
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