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Home >> Hyundai >> 2012 >> Elantra Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0139: O2 Sensor Circuit Slow Response (Bank 1/Sensor 2) >> Inspection/Repair >> System Inspection >> 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 

    Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    Go to next step as below.

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