Quote:
Originally Posted by RedFRS4me
I think something happened when i transitioned from e85 to the new ofh tunes. I took the car for a spirited drive to burn the rest of the e85 and it may have killed my o2 sensor. My STFT are 0 while my afr is between 12.5-13.5 while idle or cruising. When the car is cold it is normal but as the car warms up it goes rich and stft go zero no matter what throttle input.
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Ok, that doesn't sound right. like what others have said at idle and just off idle(just putting around) it should be in the high to mid 14's. I don't know why just flashing a tune would kill your O2 sensor but hope you can fix it.