Knock Sensor: Removal
WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
Turn the ignition off. Raise and support the vehicle. Disconnect the wiring harness connector from the knock sensor. See Figure. Remove the knock sensor from the engine block.