buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 5967 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 5965
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Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 2 Sensor 2

Heated Oxygen Sensor Replacement - Bank 2 Sensor 2

Removal Procedure

Notice:  Refer to Heated Oxygen and Oxygen Sensor Notice.

1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the connector position assurance (CPA) retainer (3).
3. Disconnect the heated oxygen sensor (HO2S) electrical connector (4) from the engine wiring harness electrical connector (1).

4. Remove the HO2S (4) from the exhaust pipe.

Installation Procedure

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 5967 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 5965