Oxygen Sensor: Service and Repair
REMOVAL and INSTALLATION1. Disconnect battery ground cable.
2. Raise vehicle on hoist.
3. Disconnect heated oxygen sensors at wiring connector.
4. Remove heated oxygen sensors from dual converter and pipe or exhaust manifolds (depending upon application).
NOTE: if excessive force is needed to remove heated oxygen sensor, lubricate with penetrating oil prior to removal.
5. Reverse Removal procedure. Tighten heated oxygen sensors to 37-45 Nm (27-33 ft lb).