DTC P0101 Mass Air Flow Circuit Range / Performance Problem: Description

DTC DETECTION CONDITION CHART

DTC No	DTC Detection Condition	Trouble Area
P0101	Conditions (a), (b), (c), (d) and (e) are met (2 trip detection logic) Engine running Engine coolant temperature 70°C (158°F) or higher Throttle position sensor voltage 0 24 V or more Average engine load value ratio less than 0 85%, or more than 1 22% (varies with estimated engine load) Average engine load value ratio = Average engine load based on mass air flow meter output / Average engine load estimated from driving conditions Average air fuel ratio less than -20%, or more than 20%	Mass air flow meter Intake system PCV hose connections