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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0139: Ho2S Circuit Slow Response >> Exhaust System Inspection

Exhaust System Inspection

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

    YES 

    NO 

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