1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the catalytic converter. Refer to Catalytic Converter Replacement.
3. Disconnect the knock sensor electrical connector (1).



4. Loosen and remove the knock sensor (1).

Caution: Refer to Fastener Caution in the Preface section.

Note:  DO NOT apply thread sealant to the sensor threads. The sensor threads are coated at the factory. Applying additional sealant affects the sensors ability to detect detonation.

1. Install and tighten the knock sensor (1).

Tighten
Tighten the sensor to 25 N·m (18 lb ft).




2. Connect the knock sensor electrical connector (1).
3. Install the catalytic converter. Refer to Catalytic Converter Replacement.
4. Lower the vehicle.