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Home >> Kia >> 2012 >> Soul ! >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) - 2.0L >> DTC P0139: O2 Sensor Circuit Slow Response(Bank 1/Sensor 2) >> Inspection/Repair >> System Inspection >> Air Leakage Inspection

Air Leakage Inspection

  1. Visually/physically inspect the following items:
    • Vacuum hoses for splits, kinks and improper connections.
    • Exhaust system between HO2S and Three way catalyst for air leakage
    • EVAP system for leakage
    • PCV hose for proper installation
  2. Was a problem found in any of the above areas?

    YES 

    NO 

    • Go to next step as below.