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Home >> Lexus >> 2015 >> RC 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FSE) - Diagnostic Codes (1 Of 5) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem [09/2014 - 11/2017] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Both of the following conditions are met -
Average engine load value ratio Less than 0.85, or higher than 1.15 (varies with estimated engine load) (for AWD models)
Less than 0.85, or higher than 1.19 (varies with estimated engine load) (for 2WD models)
Average air fuel ratio Less than -20%, or higher than 20%