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  1. C

    Weak CP3

    EGR delete, cold air intake, turbo mouthpiece, up pipe, down pipe, 4” exhaust. No tuner to disable EGR DTC’s. Sent from my iPhone using Tapatalk
  2. C

    Weak CP3

    The one I have in now is an Exergy FPR. Sent from my iPhone using Tapatalk
  3. C

    Weak CP3

    Well I’ve changed the FPR 3 times with each regulator increasing in price. I’m running out of ideas here. I don’t wanna dump thousands into the fuel system if it’s just one part that needs replaced. It’s got a new filter on it too. Sent from my iPhone using Tapatalk
  4. C

    Weak CP3

    It just sounds like a miss. At first it sounded like a super cammed duramax. After it clears up some it just sounds like a miss. I thought about that possibly being the issue. Is there any way to check the sensor? Sent from my iPhone using Tapatalk
  5. C

    Weak CP3

    Hey everyone. I’m new here and hope to find some answers to my questions. I have a ‘05 GMC Sierra 2500HD 4x4 CCSB LLY with delete, bigger turbo mouthpiece, up pipe, down pipe. I just replaced the FPR for the 3rd time. It starts up and idles great. When I take it down the road it won’t go over...
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