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Thread: weird issue

  1. #1
    Tuner in Training
    Join Date
    Aug 2018
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    32

    weird issue

    So my suburban has been unlocked for 2 years, anyway all of a sudden i download the new vcm editor and logger and a few things have changed that shouldnt and im looking for an answer to how. First thing i noticed is my stoich setting in the editor has changed to just say 14.7 instead of giving me the whole ethanol scale? My truck is a flex fuel vehicle. Which is probably why my scanner wont read ethanol percentage. Any idea what would of caused this? i added my tune.

  2. #2
    Tuner in Training
    Join Date
    Aug 2018
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    32
    Anybody run into this

  3. #3
    Tuner in Training
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    Aug 2018
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    Ttt

  4. #4
    Tuning Addict 5FDP's Avatar
    Join Date
    May 2012
    Location
    Rogers, MN
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    13,564
    Is there is a different file you may be talking about?

    I don't see anything related to flex fuel on that file, you have no flex fuel tab and the stoich table on those P01 computers is pretty much always just one value if non flex fuel. Your fuel injectors are also 25lb/hr showing that it's not flex fuel, vehicles with it have 33lb/hr injectors.

    You need the OS 12216125 for flex fuel and your truck is 12212156.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.