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Home >> Kia >> 2021 >> Telluride EX, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Heated Oxygen Sensor (HO2S) >> Repair Procedures >> Inspection
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Repair Procedures: Inspection

  1. Switch "OFF" the ignition.
  2. Disconnect the HO2S connector.
  3. Measure resistance between the HO2S terminals 2 and 5 [Bank 1/Sensor1, Bank2/Sensor1]

    Measure resistance between the HO2S terminals 1 and 2 [Bank 1/Sensor2, Bank2/Sensor2]

  4. Check that the resistance is within the specification.

    Specification: 

    2.4 - 4.0 Ω [20°C(68°F)] [Bank 1/Sensor1, Bank2/Sensor1]

    3.3 - 4.1 Ω [20°C(68°F)] [Bank 1/Sensor2, Bank2/Sensor2]

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