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Home >> Chevrolet >> 2011 >> Impala LT >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.5L - Repair Instructions >> Repair Instructions >> Heated Oxygen Sensor Replacement - Sensor 1 >> Removal Procedure
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Removal Procedure

CAUTION: Refer to Heated Oxygen and Oxygen Sensor Caution .
    Fig 1: View Of HO2S Electrical Connector Clip (1) & Ignition Coil Bracket
    GM1609170Courtesy of GENERAL MOTORS CORP.
  1. Remove the connector position assurance (CPA) retainer (3).
  2. Disconnect the heater oxygen sensor (HO2S) electrical connector (2).
  3. Remove the oxygen sensor electrical connector from the ignition coil bracket.
    4. Fig 2: View Of HO2S & J 39194-B
    GM1618175Courtesy of GENERAL MOTORS CORP.
  4. Remove the HO2S from the exhaust manifold.
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