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Home >> Toyota >> 2009 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (1AR-FE) - DTC P0010 - P0120/P0121/P0122/P0123/P0220/P0222/P0223/P2135) >> DTC P0101 Mass Air Flow Circuit Range/Performance Problem >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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TYPICAL MALFUNCTION THRESHOLDS CHART

Both of following conditions 1 and 2 met -
1. Average engine load value ratio Less than 0.81 or more than 1.21 (varies with estimated engine load)
2. Average air fuel ratio Less than -20% or more than 20%