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Home › Chevrolet › 2012 › Traverse LS, AWD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls/Fuel - 3.6L - Repair Instructions › Repair Instructions › Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 › Removal Procedure

Removal Procedure

CAUTION:

Refer to Heated Oxygen and Oxygen Sensor Caution .

    Fig 1: View Of Heated Oxygen Sensor Electrical Connector
    GM1858127Courtesy of GENERAL MOTORS COMPANY
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the engine wiring harness electrical connector (3) from the heated oxygen sensor (HO2S) electrical connector (2).
  3. Remove the HO2S electrical connector retainer from the engine wiring harness clip (1).
    4. Fig 2: Identifying Heated Oxygen Sensors & Exhaust Manifold
    GM1858130Courtesy of GENERAL MOTORS COMPANY
  4. Remove the HO2S (2) from the exhaust manifold.
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