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Subaru Legacy BN/BS (2015-2019) Service Manual: Procedure

Subaru Legacy BN/BS (2015-2019) Service Manual / Engine (diagnostics)(h6do) / Diagnostics for engine starting failure / Procedure

1. Check of the fuel amount

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2. Inspection of starter motor circuit Diagnostics for Engine Starting Failure > STARTER MOTOR CIRCUIT

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3. Inspection of ECM power supply and ground line Diagnostics for Engine Starting Failure > CHECK POWER SUPPLY AND GROUND LINE OF ENGINE CONTROL MODULE (ECM)

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4. Inspection of ignition control system Diagnostics for Engine Starting Failure > IGNITION CONTROL SYSTEM

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5. Inspection of fuel pump circuit Diagnostics for Engine Starting Failure > FUEL PUMP CIRCUIT

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6. Inspection of fuel injector circuit Diagnostics for Engine Starting Failure > FUEL INJECTOR CIRCUIT

Ignition control system
CAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.WIRING DIAGRAM:• Engine Electrical S ...

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Dtc p015a a/f / o2 sensor delayed response - rich to lean bank 1 sensor 1
NOTE:For the diagnostic procedure, refer to DTC P014C. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P014C A/F / O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 1 SENSOR 11. OUTLINE OF DIAGNOSISDetect the slow response of front oxygen (A/F) sensor.For diagnosis, detect the trouble by pr ...

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