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sputter

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  1. C

    Engine Sputter

    With or without boost, at random throttle levels the car will hit really hard and power will cut out. It sounds like the throttle blade just shuts, the boost goes all the way down, and my O2 readings go very low and sometimes get very little knock when in boost. If I roll into the throttle it...
  2. C

    Bogging/Sputtering confusion

    So recently my MAF acquired a hole causing a post MAF air leak causing the car to bog and sputter under acceleration. I bought a new 3.5 MAF with a translator. I also bought a new adjustable FPR (accufab), pressure set at 42 (vacuum line off). I have stock injectors and stock fuel pump, with a...
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