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Thread: 2017 mustang gt flex fuel....need some help

  1. #1
    Potential Tuner
    Join Date
    Nov 2018
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    1

    2017 mustang gt flex fuel....need some help

    My friend/tuners is trying to FF tune my car and we cant seem to figure out why its not reading the alcohol %. He says hes turned in on but it still doesnt work. My AFR Is a little off at the moment and we are still working on that. Would that have anything to do with it?

  2. #2
    It's best to dial in vehicle before enabling FF. There is also other things to adjust for flex fuel to function properly. Best bet is the post the tune file so we can give recommendations.