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Removal Procedure

CAUTION: Refer to Heated Oxygen and Oxygen Sensor Caution .

Fig 1: Bank 2 Sensor 2 Electrical Harness Connector

GM1553099

Courtesy of GENERAL MOTORS CORP.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the connector position assurance (CPA) retainer.
Disconnect the bank 2 sensor 2 electrical connector.

Fig 2: Identifying HO2S

GM1553063

Courtesy of GENERAL MOTORS CORP.

Remove the bank 2 sensor 2 from the catalytic converter.