Removal Procedure

CAUTION: Refer to Heated Oxygen and Oxygen Sensor Caution .

Fig 1: View Of HO2S Electrical Connector Clip (1) & Ignition Coil Bracket

GM1609170

Courtesy of GENERAL MOTORS CORP.

Remove the connector position assurance (CPA) retainer (3).
Disconnect the heater oxygen sensor (HO2S) electrical connector (2).
Remove the oxygen sensor electrical connector from the ignition coil bracket.

Fig 2: Removing/Installing HO2S

GM1618175

Courtesy of GENERAL MOTORS CORP.

Remove the HO2S from the exhaust manifold.