DTC P0101 Mass Air Flow Circuit Range/Performance Problem: Description
WARNING: This page is about a different car, the 2009 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P0100
.
DTC DETECTION CONDITIONS CHART
| DTC No. |
DTC Detection Conditions |
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 (TP) sensor voltage 0.24 V or more
- 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 MAF 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
|