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Home >> Lexus >> 2024 >> RC 350 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (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

Typical Malfunction Thresholds

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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%