Knock Sensor: Removal
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Remove the intake manifold. See INTAKE MANIFOLD under AIR INDUCTION SYSTEMS. Disconnect the knock sensor electrical connector. See Figure. Remove the knock sensor from the engine block.