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Oil Soaked knock sensor??

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Old Jun 28, 2005 | 06:01 PM
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Default Oil Soaked knock sensor??

I looked at my rear knock sensor and it has oil on it, there was oil in the hole where the knock sensor sits too. Where is the oil coming from?? Should I replace the oil soaked knock sensor eventhough It wasn't throwing a code?

Can a Knock Sensor be faulty without throwing a code? I just don't want any false knock.
Any ideas would be helpful
thnks
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Old Jul 1, 2005 | 05:40 PM
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Was the sensor tight?
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Old Jul 3, 2005 | 04:02 PM
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Yes the sensor was tight
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Old Jul 5, 2005 | 11:02 PM
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Strange.. only other guess I would have is a valvecover leak or cracked/leaking valley cover.

IMO, if the sensor isn't throwing a code, wipe it off and keep using it.
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Old Jul 6, 2005 | 11:59 AM
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Originally Posted by SSTYCOON
I looked at my rear knock sensor and it has oil on it, there was oil in the hole where the knock sensor sits too. Where is the oil coming from?? Should I replace the oil soaked knock sensor eventhough It wasn't throwing a code?

Can a Knock Sensor be faulty without throwing a code? I just don't want any false knock.
Any ideas would be helpful
thnks
If yours is like mine (and I think it should be) there's a hard rubber seal that isn't in place properly, which is why you have oil in there. I pulled the valley cover off, squeezed the seal a few times around the outside GENTLY with channel locks to sort of soften it up, then whacked it back into place with a rubber mallet.
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Old Jul 6, 2005 | 12:28 PM
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mine did that before as well. COVERED in oil. Cleaned it up and never had a problem.
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