Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc p014e a/f / o2 sensor slow response - rich to lean bank 2 sensor 1

Subaru Legacy BN/BS (2015-2019) Service Manual / Engine (diagnostics)(h6do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p014e a/f / o2 sensor slow response - rich to lean bank 2 sensor 1

DTC DETECTING CONDITION:

Detected when two consecutive driving cycles with fault occur.

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.

STEP	CHECK	YES	NO
1.CHECK EXHAUST SYSTEM. NOTE: Check the following items. • Loose installation of front portion of exhaust pipe onto cylinder heads • Loose connection between front exhaust pipe and front catalytic converter • Damage of exhaust pipe resulting in a hole	Is there any fault in exhaust system-	Repair the exhaust system.	Replace the front oxygen (A/F) sensor. Front Oxygen (A/F) Sensor

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, 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 1

Dtc p014f a/f / o2 sensor slow response - lean to rich bank 2 sensor 1

NOTE:For the diagnostic procedure, refer to DTC P014E. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P014E A/F / O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 2 SENSOR 11. OUTLINE OF DI ...

Dtc p014b o2 sensor delayed response - lean to rich bank 2 sensor 2

NOTE:For the diagnostic procedure, refer to DTC P013C. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P013C O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 2 SENSOR 21. OUTLINE OF DIAGNOSI ...

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