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Home >> Kia >> 2021 >> Seltos EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (2 Of 6) >> DTC P0139-00: O2 Sensor Circuit Slow Response (Bank 1/Sensor 2) >> System Inspection >> Visual Inspection >> Inspection Procedure
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Inspection Procedure

  1. Refer to "REPAIR PROCEDURES " 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?

    Good 

    No Good