DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2013 - ]: Description
WARNING: This page is about a different car, the 2015 Lexus IS 250C and 2014 Lexus IS 250C. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P0102. Refer to DESCRIPTION .
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P0101 | Conditions (a), (b), (c) and (d) are met (2 trip detection logic): (a) Engine coolant temperature 70°C (158°F) or more (b) Throttle position sensor voltage 0.2 V or more, and less than 2 V (c) 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 (d) Average air-fuel ratio less than -20%, or more than 20% |
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