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Thread: 05 2V PI MAF Calibration issue

  1. #1
    Potential Tuner
    Join Date
    Aug 2019
    Posts
    2

    05 2V PI MAF Calibration issue

    New to tuning, but not ignorant about it. I've been trying to tune the maf, but I just now figured out that my scanner isn't reading the MAF Voltage channel. Attached picture. Is it the weird Police interceptor engine pcm or am I just not looking in the right spot? Should I be trying to find a different way to read and convert to voltage for the tune? Also included the log from today as it was my first time out on the street with it. Thanks.

    Mafchannelissue.pngSecond RUn.hpl

    EDIT: Found it. Channel wasn't in the scanner, not it is, now it logs.
    Last edited by Tkrawlr; 08-31-2019 at 08:00 PM.

  2. #2
    Advanced Tuner
    Join Date
    Mar 2019
    Posts
    427
    To simplify your MAF tuning just log LTFT+STFT [math] in percent against mass airflow (volts) in a row, its less work. If you have a wideband you can measure actual lambda against commanded and get a little better result.