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Home >> Toyota >> 2009 >> Matrix S, FWD, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control System (2AZ-FE) >> SFI System >> DTC P0101 Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS

Both of following conditions 1 and 2 met -
1. Averaged engine load value ratio Less than 0.85, or more than 1.18 (varies with estimated engine load)
2. Averaged air-fuel ratio Less than -20%, or more than 20%