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Subaru Legacy Service Manual: Dtc p015b a/f / o2 sensor delayed response - lean to rich bank 1 sensor 1

Subaru Legacy Service Manual / Engine (diagnostics)(h4do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p015b a/f / o2 sensor delayed response - lean to rich 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 1

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC P015A. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P015A A/F / O2 SENSOR DELAYED RESPONSE - RICH TO LEAN BANK 1 SENSOR 1

Dtc p0171 system too lean bank 1
Refer to DTC P0172 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0172 SYSTEM TOO RICH BANK 11. OUTLINE OF DIAGNOSISDetect fuel system malfunction by the amo ...

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 DI ...

Other materials:

Inspection
• Inspect the drive plate facing for wear and damage.• Check the driven plate for discoloration (burnt color).• Check for worn snap ring, fatigue or damaged return spring or deformed spring retainer.• Make sure the clearance between retaining plate and snap ring of reverse br ...

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