Hello, Techs.

I need some help with fuel trim.

This S10 came in with Check Engine and ABS lights both on. It runs fine, with no drive-ability issues.

Engine codes were for O2 B2S1, O2 B1S3, and lean condition. Both sensors were fixed at 451mv. LTFT and STFT...

FIX posted 9/7/2012

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