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Home >> Toyota >> 2006 >> Prius >> Repair and Diagnosis >> Engine Performance >> Engine Control System (1NZ-FXE) >> SFI System >> DTC P0101 Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Case1: Mass air flow meter rationality (High voltage) 

TYPICAL MALFUNCTION THRESHOLDS

Mass air flow meter voltage More than 2.2 V (varies with throttle position)

Case2: Mass air flow meter rationality (Low voltage) 

TYPICAL MALFUNCTION THRESHOLDS

Mass air flow meter voltage Less than 0.9 V (varies with throttle position)
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