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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 Ref. to ENGINE (DIAGNOSTICS) (H6DO)>CLEAR MEMORY MODE>OPERATION ., and inspection mode Ref. to ENGINE (DIAGNOSTICS) (H6DO)>INSPECTION MODE>PROCEDURE .

CHECK DTC.

Read the engine DTC using the Subaru Select Monitor or general scan tool. Ref. to ENGINE (DIAGNOSTICS) (H6DO)>READ DIAGNOSTIC TROUBLE CODE (DTC) .

Is other than DTC P0101 displayed? (Current malfunction)

Yes Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC). Ref. to ENGINE (DIAGNOSTICS) (H6DO)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .

No Replace the mass air flow and intake air temperature sensor. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H6DO)>MASS AIR FLOW AND INTAKE AIR TEMPERATURE SENSOR .