Quote:
Originally Posted by benzy89
Are you getting fuel mixture codes with your custom map?? I've gotten fuel mixture codes a few times when mixing in ~3 gallons of E85, but it has had no impact on the performance of the car (no misfires, shuddering, etc)
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Thankfully no. I'm near 24% in STFT so I'm near my max comfortable zone for fuel. I doubt it helps any but I also add a couple of oz of marvel mystery oil with each fuel up if only for lubrication purposes.