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EVOscan High STFT problems

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goldeninja20

10+ Year Contributor
589
3
Dec 5, 2010
Norton, Massachusetts
I have been having funky idle problems. It is just very inconsistant. I am also getting awful gas mileage and smell gas bad, which leads me to believe i am running rich. My STFT is at 25%. I HAVE NO BOOST LEAKS! My o2 sensor doesnt seem to want to go higher that .03 volts. Can someone check out this log, car was off when i began logging. I attatched the log. I really need some assistance, I am sick of this bad gas mileage.
 

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According to your logs, your O2 sensor is not working. The scale never shows a value that doesn't fluctuate. Possible that your O2 is unplug or is defective.
 
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