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what does a knock sensor guage do?

This is a discussion on what does a knock sensor guage do? within the Computer & Tuning forums, part of the LSx Technical Help Section category; oblivuily i know it deals with enginge knock but not sure what a gauge will tell and perameteres...

  1. #1
    Senior Member greatwhiteZ28's Avatar
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    what does a knock sensor guage do?

    oblivuily i know it deals with enginge knock but not sure what a gauge will tell and perameteres

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    Veteran 0rion's Avatar
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    06 duramax

    there are 2 sensors mounted under the intake in the valley cover. They "listen" for a specific frequency and when they hear it they pull timing. That's the cliff notes version but you get the idea.

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    Senior Member greatwhiteZ28's Avatar
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    thanks again again.

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