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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) (PHEV) >> DTC P0133-00: O2-Sensor Circuit Slow Response (Bank 1/Sensor 1) >> System Inspection >> Visual Inspection
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Visual Inspection

  1. Refer to appropriate service information and visually and/or physically inspect following conditions;
    • Check for corrosion on terminals
    • Check for damaged wiring
    • Check for good ground for O2 sensor.
  2. Has any problems been found?

    YES 

    NO