Quote:
Originally Posted by Tractionless
Curious as to where you found what the normal parameter should be? Thanks
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100% +/- 5% is a good range for short term fuel trims to fall in, according to Eugene.
To get both banks to be in this range, I reset the ECU through the ECUTEK ProECU app. I had the battery unplugged in the past so I’m not sure why that didn’t reset the ECU to clear previously stored trims? Maybe the ECUTEK reset procedure clears additional parameters compared to a battery-disconnect reset
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