DTC P0101 Mass Air Flow Circuit Range / Performance Problem: Description
WARNING: This page is about a different car, the 2009 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P0102
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DTC DESCRIPTION CHART
| DTC No. |
DTC Detection Conditions |
Trouble Areas |
| 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 (TP) sensor voltage 0.24 to 2 V
- Average engine load value ratio less than 0.85, or more than 1.15 (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 (MAF) meter
- Air induction system
- PCV hose connections
|