SOHC Knock ??? May 8, 2011 19:10:53 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by twood3006 on May 8, 2011 19:10:53 GMT -5 Question: How do the OBDII Engines measure knock? As far as I know they do not have a knock sensor.Anybody???