DTC P0111 Intake Air Temperature Sensor 1 Circuit Range/Performance: Trouble Symptom

WARNING: This page is about a different variant/trim than selected.

Improper idling
Poor driving performance

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode Refer to , OPERATION , Clear Memory Mode and Inspection Mode Refer to , PROCEDURE , Inspection Mode.

Step	Check	Yes	No
1 CHECK ENGINE COOLANT TEMPERATURE. Start the engine and warm up completely. Measure the engine coolant temperature using the Subaru Select Monitor or general scan tool. NOTE: Subaru Select Monitor For detailed operation procedures, refer to "READ CURRENT DATA FOR ENGINE". Refer to , SUBARU SELECT MONITOR . General scan tool For detailed operation procedures, refer to the general scan tool operation manual.	Is the temperature 75°C (167°F) or more?	Replace the mass air flow and intake air temperature sensor. Refer to MASS AIR FLOW AND INTAKE AIR TEMPERATURE SENSOR Mass Air Flow and Intake Air Temperature Sensor.	Check for DTC P0125. Refer to , DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).