Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Disconnect the knock sensor wiring harness electrical connector.
Remove the knock sensor.

Fig 1: Removing Knock Sensor

Courtesy of GENERAL MOTORS CORP.