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Thread: 2013 ATS 2.0t LTG lean LTFT stock?

  1. #1
    Tuner in Training
    Join Date
    Dec 2019
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    12

    2013 ATS 2.0t LTG lean LTFT stock?

    I just got this car and got a lean code which got me digging and I believe the MAF was on its way out reading 1.8-1.9 g/sec at idle replaced it and now reading 2.7-2.8 g/sec but, the LTFT are still reading lean. I pulled the file and it looks off but not sure. Can someone take a look at it and see what you think? I checked for vacuum leaks can't find anything.
    2013 ATS stock.hpt

    added log file
    Attached Files Attached Files
    Last edited by LFTRTIK; 03-22-2024 at 12:05 PM.

  2. #2
    Tuner in Training
    Join Date
    Jun 2023
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    11
    ever figure this out? Im having the same issues. Cant seem to tune my MAF.

  3. #3
    Tuner in Training
    Join Date
    Dec 2019
    Posts
    12
    I checked for all vacuum, leaks, and confirmed there was none. It Was actually my mass airflow sensor didn?t have a code for it, but it was reading incorrectly.