bucking above 1.1 bar, max boost 1.3

[davidb01]

I have had the exact same problem from time to time.  My engine has only
been steam cleaned once, and the problem had appeared long before & since.
I have had both Al Blanchard (Audi & Porsche Specialties), and Scott Mockry
(SJM Auto-technik) look at, drive, and experience the symptom.  I have
cleaned the MAF terminals & even replaced the MAF.  After such, the symptom
goes away, but will appear seemingly at random.  From various threads, I am
going to replace the K&N with an OEM filter & clean the MAF of any oil
residue.  If no results, I'll replace the WGFV.

David Brill
200q20v Avant, 140k

 -----Original Message-----
From: 	200q20v-admin at audifans.com [mailto:200q20v-admin at audifans.com]  On
Behalf Of motogo1
Sent:	Monday, February 25, 2002 3:09 PM
To:	Audi 200
Subject:	Re: bucking above 1.1 bar, max boost 1.3


----- Original Message -----
From: <Jeff.Bernstein at pneumaticscale.com>
To: <malth at umich.edu>
Cc: <200q20v at audifans.com>
Sent: Monday, February 25, 2002 10:38 AM
Subject: RE: bucking above 1.1 bar, max boost 1.3


I had the same thing happen on my S4 after cleaning the engine bay. IIRC it
happened at any boost level. Went away after a couple days. I never did find
any water contamination, plus it doesn't have a distributor! I imagine the
water could get in any number of connections that feed the ECU. Don't you
just love problems that fix themselves..;-)

Gary Martin
CT-USA
94 UrS4
91 200 TQA

> I have not cleaned my engine for a long time due to this exact problem.  I
> plan to try cleaning it this spring and I am going to go to extremes to
keep
> the distributor dry and see if this is the source of the problem.



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