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View Full Version : Knock sensor harness...


R33E8
10-09-2009, 07:37 PM
So I have this knock sensor harness but I'm not sure if it's okay or not.. When the car was running, I was getting knock sensor codes on the obd scan.. When removing the engine I saw that the end that plugs into the main harness wasn't grounded and assumed that was the cause of the code.. Now that I'm putting the engine back together, I found that the plug on the knock sensor side doesn't have a lead for the ground. After removing the wrap from the harness, I found that the ground was wrapped around the sensing wire(???)... Is this what it's supposed to do? I don't feel like paying $80 for a new piece of cable... Here are some pictures to better describe what I'm talking about..

http://img245.imageshack.us/img245/2783/img0056no.jpg
http://img515.imageshack.us/img515/6335/img0058sh.jpg
http://img245.imageshack.us/img245/3668/img0059og.jpg

(sorry about the depth of field.. :oops: )

projectRDM
10-10-2009, 08:53 AM
That's how it's made, nothing wrong with it other than being dirty. Knock sensor codes are tricky to diagnose as it's rarely the sensor that's bad.