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Home >> Toyota >> 2013 >> Matrix Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2ZR-FE) (Diagnostic Codes (P0010-P0420) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Both of following conditions 1 and 2 met -
1. Averaged engine load value ratio Less than 0.85, or more than 1.23 (varies with estimated engine load)
2. Averaged air fuel ratio Less than -20%, or more than 20%