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Home >> Subaru >> 2017 >> Legacy 2.5i Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Control System (Diagnostics) (P000A To P015D) (H6DO)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P014E: A/F/O2 Sensor Slow Response - Rich To Lean Bank 2 Sensor 1 >> Notes

DTC P014E: A/F/O2 Sensor Slow Response - Rich To Lean Bank 2 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 Mode Ref. to OPERATION , Clear Memory Mode and Inspection Mode Ref. to PROCEDURE , Inspection Mode.
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. Ref. to FRONT OXYGEN (A/F) SENSOR