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Home >> Toyota >> 2009 >> Matrix S, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Control System (2ZR-FE)) >> SFI System >> DTC P0101 Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

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TYPICAL MALFUNCTION THRESHOLDS CHART

Both of following conditions 1 and 2 met -
1. Averaged engine load value ratio Less than 0.85, or more than 1.28 (varies with estimated engine load)
2. Averaged air fuel ratio Less than -20%, or more than 20%