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Re: Knock Sensor
> I replaced my knock sensor a while ago. (89 200T) The agents tell me
> that the knock sensor is a quartz device which produces a voltage when
> sensing knock. I have seen ceramics do that? IMHO the impedance should
> not make much of a difference.
Someone suggested that the knock sensor was basically a microphone.
After looking at the schematic in the Bentley, I must concur. Looks
like a condensor microphone.
> Any idea what voltage is generated?
No, can't say as I do. But I think I'll chance it this weekend and
remove it and try to fix the breaks. Weather permitting.
-Douglas Hurst Quebbeman (email@example.com) [Call me "Doug"]
QuattroClub USA# 4536 Audi International # 100024
74 100LS Auto, 77 100LS Auto, 84 Coupe GT, 86 5Kcstq
"The large print giveth, and the small print taketh away." -Tom Waits