Oxygen Sensor: Service and Repair

REMOVAL

NOTE: This procedure applies to both the upstream and downstream Heated Oxygen Sensors (HO2S).

1. Disconnect the battery ground cable.
2. Raise and support the vehicle.
3. Disconnect the HO2S electrical connector.

Downstream Shown, Upstream Similar:

4. Use Oxygen Sensor Wrench T94P-9472-A to remove the HO2S from the exhaust inlet pipe.

INSTALLATION
1. To install, reverse the removal procedure.
2. Tighten the HO2S to 30-49 Nm (22-36 ft lb).