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

Conditions (a), (b) and (c) continue for more than 10 seconds (2 trip detection logic):

1. Engine speed less than 2,000 RPM
2. Engine coolant temperature 70°C (158°F) or higher
3. Output voltage of Mass Air Flow (MAF) meter more than 2.2 V (varies with Throttle Position sensor voltage)

Conditions (a) and (b) continue for more than 10 seconds (2 trip detection logic):

1. Engine speed more than 300 RPM
2. Output voltage of MAF meter less than 1.48 V (varies with throttle position sensor voltage)