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Home >> Scion >> 2006 >> xA Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1NZ-FE) >> SFI System >> DTC P0101 Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Mass Air Flow Meter Rationality (High Voltage): 

TYPICAL MALFUNCTION THRESHOLDS

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

Mass Air Flow Meter Rationality (Low Voltage): 

TYPICAL MALFUNCTION THRESHOLDS

Mass air flow meter voltage Less than 0.65 V (varies with throttle position sensor voltage)
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