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Thread: How to deal with P2635 code?

  1. #1
    Tuner
    Join Date
    Oct 2017
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    How to deal with P2635 code?

    Hello all. For second time now, my C7 got the P2635 code with engine light. Unfortunately, I wasn't logging at the times.
    I started searching and I guess some people turn off this error code when they install aux fuel pumps?

    C7, built LT1, LT4 pump/Inj, CAM/lobe, DSX Aux fuel pump, 2650 SC, 18 PSI, w/Meth.

    So, turn it off or can/should it be tuned?


    C7-LT1-2650-LatestTune.hpt

    Thanks.
    pjs

  2. #2
    Senior Tuner
    Join Date
    May 2003
    Location
    South FL
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    1,592
    Turn the code off if you have an external aux pump.
    [email protected]
    snackbartuning.com
    Owner/GM Calibrator
    Gen V Specialist - C7 Corvette, Gen6 Camaro & CTS-V3

  3. #3
    Tuner
    Join Date
    Oct 2017
    Location
    Boston
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    Thanks Jason.