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Generation III Internal Engine
Replace Knock Sensors?

Generation III Internal Engine 1997-2006 LS1 | LS6

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Replace Knock Sensors?

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Jul 21, 2008 | 12:16 PM

#1

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From: Carson City, NV

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Replace Knock Sensors?

I'm not really sure why one sensor would get corroded and the other one wouldn't but is it advisable to replace both or just one of these sensors?

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Jul 21, 2008 | 12:49 PM

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seems to be a common problem... mine did this as well... I just replaced the one bad one and have been fine since...

just remember to seal them off with some sort of silicone sealant afterwards to keep water out...

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Jul 22, 2008 | 09:25 AM

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Both of mine were brown. If you are changing them to clear a code, I'd replace them both, save you some hassle.

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