Operation CHARM: Car repair manuals for everyone.

Downstream

REMOVAL
1. Disconnect battery ground cable.
2. Raise and support vehicle.
3. Disconnect the downstream Heated Oxygen Sensor (HO2S) electrical connectors.
4. Remove sensor(s) with Oxygen Sensor Wrench T94P-9472-A, or equivalent, from exhaust inlet pipe.

INSTALLATION
1. Install sensor(s) and torque to 30-49 Nm (22-36 ft lb).
2. Lower vehicle.
3. Connect battery ground cable.