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Author Topic: Knock senser  (Read 604 times)

Offline weazgti

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Knock senser
« on: 17 October 2009, 15:42 »
Just been out and had a look at the knock senser on my 8v digi and i noticed that the plastic is broken.

Does it matter if this broken?Is the plastic just a cover for whats inside?
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Offline danny_p

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Re: Knock senser
« Reply #1 on: 17 October 2009, 18:49 »
inside is a pezoelectric micropone tuned to about 5.5 khz   would change it if the caseing is cracked as the load on the cristal massivly effects its response
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all the VW's have gone bar 1.
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