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Home › Chevrolet › 2005 › Optra5 Base, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - 1.6L (L91) - Introduction And Mechanical Repairs › Repair Instructions › Heated Oxygen Sensor Replacement - Position 2 › Removal Procedure

Removal Procedure

    Fig 1: Identifying HO2S 2
    GM1343728Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  1. Disconnect the negative battery cable.
  2. Disconnect the electrical connector.
    3. Fig 2: Removing/Inserting HO2S 2
    GM1265321Courtesy of GENERAL MOTORS CORP.
  3. Remove the rear heated oxygen sensor (HO2S2).
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