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  1. C

    ACIS and a vaccumm leak?

    Alright, did some error checking. I got codes 21 - Oxygen sensor 41 - Throttle Position Sensor and 43 - Starter Could the throttle position sensor be responsible for the rough idle?
  2. C

    ACIS and a vaccumm leak?

    So I definitely get that surge at 3500 to 3800 rpm. After some research, it seems my ACIS is screwed. I need to e-mail the owner, but I have a JDM transplant motor. Possibly an ex cresseda motor, but the throttle body was changed out. What's the best way to go about fixing the ACIS? Any pics...