How do you test a knock sensor on a car?
How do you test a knock sensor on a car? 7) You test these two types of sensors differently. 8) To test the wide band knock sensor, with engine and key off, probe with a volt meter set to AC, between battery ground and the knock sensor signal wire. Then, light tap near the knock sensor using an extension or back of the ratchet wrench. How to test the wide band knock sensor? 8) To test the wide band knock sensor, with engine and key off, probe with a volt meter set to AC, between battery ground and the knock...