[s-cars] Knock Sensors?

Adam Cramer crameradam at gmail.com
Wed May 25 16:12:00 EDT 2005


Can someone describe where the knock sensor are located?  A pic would be great. 

I checked SJM but I didn't see anything.

Thanks in advance. 

Adam
95 S6 Avant

On 5/25/05, D Cosby <dccosby at hotmail.com> wrote:
> Bill,
> 
> Once you try a higher octane fuel (or a bunch of octane booster / toluene)
> to eliminate that avenue, check the torque on the knock sensors. Apparently
> they can loosen and become overly sensitive.
> 
> Was talking to a mechanic friend a few years ago about a similar problem...
> He was telling me about a really tricky customer car (think it was an Audi
> 90) with a similar problem. After eliminating the obvious, it turned out
> that at a certain RPM there was a loose exhaust shield (or bracket?) that
> would rattle and be picked up by the knock sensor. Long shot but worth a
> look after all else fails.
> 
> Good luck.
> Dwayne
> 
> 
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