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Home >> Kia >> 2012 >> Forte Koup EX, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) - Except SULEV >> DTC P0139: O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) >> Inspection/Repair >> Exhaust System Inspection
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Exhaust System Inspection

  1. Check the exhaust system for an exhaust leak near the engine.
  2. Was an exhaust leak found?

    YES 

    NO 

    • Go to next step as below