Knock sensor failure?

[David]

I have found that an under-torqued sensor can cause false positive readings for pinging. I was also told that you can't effectively retorque them, that they must be replaced, along with the bolt...

Dave
87.5 CGT
SE Virginia
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From: Robert Myers <robert at s-cars.org>
Date: 2004/03/31 Wed AM 07:41:06 EST
To: s-car-list at audifans.com,  "Quattro list" <quattro at audifans.com>
Subject: Knock sensor failure?

Hi Y'all,

I've been sitting here thinking...  (Miracles do sometimes happen.)

I'm sure that knock sensors have failed from time to time but I would 
expect that the normal failure mode would be that it simply stop putting 
out a signal.  However, has anyone experienced a knock sensor failure in 
which the knock sensor becomes overly sensitive and reports knocking to the 
ECU when none is actually happening?  Is there any direct way to determine 
if this might be the case or would it be just a "replace and try" procedure.

_____

When Clinton lied no one died.

Bob
*****
  Robert L. Myers  304-574-2372
  Rt. 4, Box 57, Fayetteville, WV 25840 USA  WV tag Q SHIP
  '95 urS6 Cashmere Grey - der Wunderwagen   ICQ 22170244
  http://www.cob-net.org/church/pvcob.htm
***** 

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