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Home >> Subaru >> 2017 >> Forester 2.0XT Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Control System (Diagnostics) (P000A To P015B) (H4DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P014C A/F/O2 Sensor Slow Response - Rich To Lean Bank 1 Sensor 1 >> Notes

DTC P014C A/F/O2 Sensor Slow Response - Rich To Lean Bank 1 Sensor 1: Notes

WARNING: This page is about a different variant/trim than selected.

DTC detecting condition: 

Detected when two consecutive driving cycles with fault occur.

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Ref. to ENGINE (DIAGNOSTICS) (H4DO)>Clear Memory Mode>OPERATION . and Inspection Mode Ref. to ENGINE (DIAGNOSTICS) (H4DO)>Inspection Mode>PROCEDURE .
  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?