What is the knocking sensor and what purpose does it serve to the engine, What are the symptms of a bad knocking sensor?
May 18, 2009 at 1:40 PM
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DOCFIXIT
CAR REPAIR CONTRIBUTOR
18,828 POSTS
Knock sensor changes timing when detonation is experienced. Detonation can cause severe internal engine damage. If engine is knocking underload the sensor likely has failed.