REMOVAL & INSTALLATION

1. Disconnect the negative battery cable.
2. Raise and safely support the vehicle on jackstands.

   Fig. 1: From underneath, locate the oxygen sensor (arrow), which is screwed into an exhaust component

3. Disconnect the oxygen sensor from the engine control sensor wiring.

   NOTE: If excessive force is needed to remove the sensors, lubricate the sensor with penetrating oil prior to removal.

   Fig. 2: Using the proper wrench, loosen the oxygen sensor. Ensure that the wire and connector are unplugged

4. Unscrew the sensor.

   To install:

5. Install the sensor in the mounting boss, then tighten it to 27–33 ft. lbs. (37–45 Nm).
6. Reattach the sensor electrical wiring connector to the engine wiring harness.
7. Lower the vehicle.
8. Connect the negative battery cable.