LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Knock sensor?

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Old 10-26-2008, 07:20 PM
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Knock sensor?

While I was pulling my motor I noticed that one of the wires to the knock sensor had been pulled loose. How will this affect the performance? Does the knock sensor just not work, or does it constantly pull timing? Any input would be appreciated!
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Old 10-26-2008, 07:55 PM
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I'm pretty sure it pulls a bunch of timing. My car lost a full second and 9 mph from one pass to the next when the knock sensor became unhooked.
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Old 10-26-2008, 08:12 PM
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My car is a 94 z28. Should there be 1 or 2 wires going into the knock sensor?
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Old 10-26-2008, 09:22 PM
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There is only one wire going to the knock sensor. It's dark blue.
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Old 10-26-2008, 09:27 PM
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I guess I need to figure out what wire I have unhooked then.
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Old 10-26-2008, 11:34 PM
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Originally Posted by jeremyw2585
I guess I need to figure out what wire I have unhooked then.
My guess it is the ground that goes on the block under the #6 plug.
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