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Thread: ZL1 tune with questions

  1. #41
    Tuner in Training
    Join Date
    May 2021
    Posts
    32
    vve and maf2.hpl

    15zl1 maf tuning trims only step16.5 w dynamic air.hpt

    Latest Log and Tune.

    Little confused on how close my maf is compared to how far off my VVE is.

    2022-06-30 (1).png

    2022-06-30 (2).png

    Does that look correct or do I have something still set up wrong. hjtrbo I am using the new filters you gave me. Thanks again for all the help.

  2. #42
    Tuner in Training
    Join Date
    Aug 2020
    Posts
    35
    Looking at your screenshots, MAF looks perfect. VE rich and still needs a few more driving sessions. The big numbers in your log could just be transient garbage data. Make sure you are driving very steady and smooth with no abrupt pedal changes.

  3. #43
    Advanced Tuner
    Join Date
    Feb 2018
    Posts
    830
    ^^^ what Leva said. You need to drive for a good 45 min-1 hour with slow throttle transitions to get accurate data.