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Mash on gas pedal, car wants to die...

Discussion in 'FAST Support Forum' started by J-440, Oct 29, 2017.

  1. J-440

    J-440 Member

    Joined:
    Jun 16, 2012
    Anytime I "get on it" the car falls on its face. If I slowly raise the speed, the car will accelerate no problem. Whether it's at a dead stop or highway speeds, if I mash the gas pedal, the car wants to die and backfires a little. Any thoughts?
     
  2. A A

    A A Well-Known Member

    Joined:
    Jun 22, 2014
    You run the XFI. Log the event and tune, and someone can probably point you in the right direction.
     
  3. Fastmanefi

    Fastmanefi Active Member

    Joined:
    Jun 4, 2011
    Location:
    Sonora, CA
    Email me the tune and the log.
     
  4. Fastnofast

    Fastnofast Member

    Joined:
    May 16, 2017
    Did you check something before ?
    Hoses, map sensor ? Harness ?
    Do you have an error code ?
     

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