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Old 09-02-2021, 12:41 PM   #3
Jpf86
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Join Date: Sep 2021
Drives: 2020 Toyota 86
Location: Massachusetts
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I have, thanks. They recommended checking my fuel control module for proper ground and ensuring that there aren’t any missing bolts. I checked and everything there looks fine.

I also flashed the ECU back to stock and the same problem exists, leading me to believe it’s a mechanical issue and not related to the tune.

I should also note that I’m getting a lean code P0171 due to the instantaneous jumps in STFT.
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