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Home › Chevrolet › 2004 › Optra Base, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - 2.0L (L34 GMDAT) - Repair Instructions › Repair Instructions › Heated Oxygen Sensor Replacement - Sensor 2 › Removal Procedure

Removal Procedure

    Fig 1: View Of Heated Oxygen Sensor 2 (HO2S)
    GM1376133Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Disconnect the electrical connector.
  3. Remove the rear heated oxygen sensor (HO2S) 2.
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