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IAC counts

Discussion in 'Computer tuning and diagnostics' started by matthuck88, Nov 3, 2018.

  1. matthuck88

    Hey guys! I have been trying to get my IAC set up correctly. PCM of NC wants it to show between 30 and 50 counts at operating temp idle, with TPS at 0%. I adjust it and it is ok until I open the throttle and let it settle back down. It does not seem to want to stay consistent. It is an Arizona Speed and Marine 52mm TB. Any thoughts? Thanks
     
    matthuck88, Nov 3, 2018
    #1
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  2. Z28/Ken Staff Member Admin

    What does it come down to after letting off the throttle? High, low? Some aftermarket throttle bodies do not have a correct IAC setup and require modification if they are reading high.
     
    Z28/Ken, Nov 4, 2018
    #2

  3. matthuck88

    It varies. Sometimes it goes high and sometimes it goes lower. It just doesn't want to settle and stay within the 30-50 range.
     
    matthuck88, Nov 4, 2018
    #3
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