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Home >> Subaru >> 2015 >> WRX Limited, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls (Diagnostics) (H4DOTC) (STI)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0101 Mass Or Volume Air Flow Circuit Range/Performance >> Trouble Symptom

DTC P0101 Mass Or Volume Air Flow Circuit Range/Performance: Trouble Symptom

WARNING: This page is about a different variant/trim than selected.
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 FOR ANY OTHER DTC ON DISPLAY.  Is any other DTC displayed? Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". <Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .> Replace the mass air flow and intake air temperature sensor. <Ref. to MASS AIR FLOW AND INTAKE AIR TEMPERATURE SENSOR .>