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Home >> Kia >> 2005 >> Rio Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System/Fuel System >> Components >> Oxygen Sensor (O2S) >> Inspection Of Front & Rear Heated Oxygen Sensor Heaters
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Inspection Of Front & Rear Heated Oxygen Sensor Heaters

  1. Ensure ignition switch is OFF.
  2. Disconnect heated oxygen sensor connector.
  3. Connect ohmmeter between terminals 1 and 3 and measure resistance.

    Specifications: Approx. 3~7Ω (68°F (20°C))

  4. If not as specified, replace heated oxygen sensor.

    Tightening Torque: 22-36 lb.ft (30~49 N.m, 3~5 kg.m)

  5. Reconnect heated oxygen sensor connector.
    Fig 1: Illustrating Oxygen Sensor Connector
    G02181421Courtesy of KIA MOTORS AMERICA, INC.