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Home >> Subaru >> 2013 >> Tribeca >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P014E O2 Sensor Slow Response - Rich To Lean (Bank 2 Sensor 1) >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC 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. Refer to FRONT OXYGEN (A/F) SENSOR . >