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Home >> Toyota >> 2015 >> Highlander XLE, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> SFI System [2GR-FE] - Diagnostic Codes - (Except Hybrid) (3 Of 5) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem [12/2013 - 11/2016] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Both of the following conditions are met -
Average engine load value ratio Less than 0.85, or higher than 1.23 (varies with estimated engine load)
Average air fuel ratio Less than -20%, or higher than 20%
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