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Thread: STFT rapid switching

  1. #1

    STFT rapid switching

    i am not sure if that is normal for STFT to switch constantly from positive to negative values anywhere under WOT.
    my car has a cam and breathers without PCV.

    please, advise.
    Last edited by kj217; 10-12-2014 at 01:36 AM.
    09 CTS-V A6