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DTC P0101 Mass Air Flow Circuit Range / Performance Problem: Description
Refer to DTC P0102 (See
DTC P0102 MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT; DTC P0103 MASS OR VOLUME AIR FLOW CIRCUIT HIGH INPUT ).
DTC DETECTION CONDITION CHART
| DTC No. |
DTC Detection Condition |
Trouble Area |
| P0101 |
Conditions (a), (b), (c), (d) and (e) continue for more than 10 seconds (2 trip detection logic):
- Engine running
- Engine coolant temperature 70°C (158°F) or higher
- Throttle position sensor voltage 0.24 to 2 V
- Average engine load value ratio less than 0.85, or more than 1.28 (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
|