DTC P0101: Mass Or Volume Air Flow Sensor "A" Circuit Range/Performance: Notes
DTC detecting condition:
Detected when two consecutive driving cycles with fault occur.
Trouble symptom:
- Improper idling
- Engine stalls.
- Poor driving performance
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode Refer to ENGINE (DIAGNOSTICS) (W/O STI)>CLEAR MEMORY MODE>OPERATION
., and inspection mode Refer to ENGINE (DIAGNOSTICS) (W/O STI)>INSPECTION MODE>PROCEDURE
.
- CHECK DTC.
Read the engine DTC using the Subaru Select Monitor or general scan tool. Refer to ENGINE (DIAGNOSTICS) (W/O STI)>READ DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC other than P0101 displayed? (Current malfunction)
Yes: Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Refer to ENGINE (DIAGNOSTICS) (W/O STI)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
No: Replace the mass air flow and intake air temperature sensor. Refer to FUEL INJECTION (FUEL SYSTEMS) (W/O STI)>MASS AIR FLOW AND INTAKE AIR TEMPERATURE SENSOR .