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 Ref. to OPERATION , Clear Memory Mode, and Inspection Mode Ref. to PROCEDURE , Inspection Mode.

DIAGNOSTIC PROCEDURE

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 genera) scan tool. NOTE: Subaru Select Monitor For detailed operation procedures, refer to "READ CURRENT DATA FOR ENGINE". Ref. 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. Ref. to MASS AIR FLOW AND INTAKE AIR TEMPERATURE SENSOR .	Check for DTC P0125. Ref. to DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).