Thread: Knock Sensor #4
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  #24  
Old 09-27-2007, 08:52 PM
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sc 540i sc 540i is offline
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Join Date: Apr 2006
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Quote:
Originally Posted by cn90 View Post
I used to have the same problem in my (now sold) 1996 VW Passat, the knock sensor (also made by BOSCH) was replaced 4 times by the dealer and still the same problem. A known issue in the 96 Passat. The engine otherwise was running fine.
Perhaps they designed the knock sensor a bit on the sensitive side, so any little vibration knocking set it off???

Sometimes it is very difficult, if not impossible, to find the root cause.
As long as the engine runs fine, there is no urgency to solve it right away but you have time to play detective work for the next few weeks and months.

This kind of detective work requires alot of patience and persistence!!!!!!

Back in the old days, when cars ran on carburator, we never have to worry about this crap...haha!
I think I might take the cone filter out and put the stock one back in again and see what that does.
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