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Thread: Why we can't log Mass airflow Voltage ?

  1. #1

    Why we can't log Mass airflow Voltage ?

    Why we can't log Mass airflow Voltage ? how cold any body scale MAF without it ?

    Thanks in advance

  2. #2
    Tuner
    Join Date
    Mar 2022
    Location
    Florida
    Posts
    134
    I don’t know what type of vehicle you are trying to tune but I have been able to tune my truck’s MAF using a wideband and logging the frequency of the MAF in hertz, not volts.
    2017 Silverado 3500HD WT 6.0 flex fuel 6L90 6800lbs E78 T43

    --- What am I doing??? Why did I do that??? ---

  3. #3
    Quote Originally Posted by Tunercharged View Post
    I don’t know what type of vehicle you are trying to tune but I have been able to tune my truck’s MAF using a wideband and logging the frequency of the MAF in hertz, not volts.
    2010 FJ
    The Mass airflow table is shown in Voltage vs airflow

  4. #4
    Potential Tuner
    Join Date
    Jan 2022
    Location
    Raliegh
    Posts
    6
    is it configured to voltage on the channel itself? i can do it on my Tacoma. I found it to be easier to use LTFT+STFT to be easier with the fuel cutoff messing with my data but you can filter that out. can you send a screen shot of your channel config. also are you graphing or using histo?
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    Last edited by gvlad; 08-14-2022 at 07:21 AM.

  5. #5
    Potential Tuner
    Join Date
    May 2013
    Posts
    8
    use Mass airflow (SAE)

    see the pic
    Untitled.png