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Home >> Kia >> 2021 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (5 Of 6) >> DTC P2270-00: O2 Sensor Stuck Lean - Bank1 Sensor 2 >> System Inspection >> Visual Inspection
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Visual Inspection

Inspection Procedure 

  1. Visually and/or physically inspect following conditions;
    • Proper installation of O2 sensors.
    • Check for corrosion on terminals.
    • Check for damaged wiring.
    • Fuel, engine coolant or oil contamination.
    • Check for good ground for O2 sensor.
  2. Has any problems been found?

    Good 

    No Good