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Home >> Chevrolet >> 2008 >> Optra LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.6L >> Repair Instructions >> Heated Oxygen Sensor 2 Replacement >> Removal Procedure
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Removal Procedure

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