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Home >> Lexus >> 2011 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P014F) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Both of the following conditions 1 and 2 are met -
1. Averaged engine load value ratio Less than 0.85%, or more than 1.22% (varies with estimated engine load)
2. Averaged air fuel ratio Less than -20%, or more than 20%