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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - SFI System Diagnostics (1 Of 4) >> DTC P0101 Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS CHART

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%