[A4] Repair or walk away - advice for an Oil Sludge

[John S. Lagnese]

I did replace the oil pressure switch last summer. It was the high pressure 
one, the white. I got it from an Audi dealer as well.
----- Original Message ----- 
From: "Tihol Tiholov" <t.tiholov at gmail.com>
To: <quattro at audifans.com>
Sent: Thursday, June 22, 2006 1:09 PM
Subject: Re: [A4] Repair or walk away - advice for an Oil Sludge


> "John S. Lagnese" <jlagnese at massed.net> wrote:
>
>> ... in my  90,000 mile 91 200 TQ 20V? The oil pressure
> warning comes on occasionally. I have 4.5 bar of pressure.
>
> If the warning comes on with 4.5 Bar pressure, it might be the oil 
> pressure
> switch going.
> Warning when buying a new one: I had a false warning (Typ 89 NG) from a 
> new
> oil press. switch at 3K RPM and from the check system with ign. on after
> about 20 sec.  It turned out it missed an "A" in the end of an otherwise
> identical P/N.  $50 lesson.
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