Knock Sensor (KS)
WARNING: This page is about a different car, the 1996 Saab 900. However, it is still accessible from the selected car via links, so may be relevant.
See TESTS W/CODES - MOTRONIC 4.1L & 5.2L SYSTEM article.
See TESTS W/CODES - MOTRONIC 4.1L & 5.2L SYSTEM article.