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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (PHEV) >> Heated Oxygen Sensor (HO2S) >> Repair Procedures >> Removal
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Repair Procedures: Removal

NOTE: Note that the SST (Part No.: 09392-1Y100 or 09392-2H100) is useful when removing the heated oxygen sensor.

[Bank 1/Sensor 1] 

  1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Disconnect the connector (A), and then remove the sensor (B).

    Heated oxygen sensor: 

    39.2 - 49.1 N.m (4.0 - 5.0 kgf.m, 28.9 - 36.2 lb.ft)

    G13361733Courtesy of KIA MOTORS AMERICA, INC.
    G13361734Courtesy of KIA MOTORS AMERICA, INC.

[Bank 1/Sensor 2] 

  1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Disconnect the connector (A), and then remove the sensor (B).

    Heated oxygen sensor: 

    39.2 - 49.1 N.m (4.0 - 5.0 kgf.m, 28.9 - 36.2 lb.ft)

    G13361735Courtesy of KIA MOTORS AMERICA, INC.
    G13361736Courtesy of KIA MOTORS AMERICA, INC.