Re. Is it the TPS?

Ben Swann benswann at
Mon Aug 10 06:02:08 PDT 2009

Sounds like an overboost cutout to me.

Check lower wastegate hose and all hose connections to from N75 valve and related boost
control hoses.


[Date: Sun, 9 Aug 2009 12:05:36 -0400
From: "kneale at" <kneale at>
Subject: Is it the TPS?
To: 200q20v at
Message-ID: <380-22009809165366 at>
Content-Type: text/plain; charset=iso-8859-1

I've been mashing the accelerator pedal of my 200q20v Avant and enjoying the results
ever since getting it rolling again a couple years ago.
Yesterday, after a night of very heavy rains, I experienced a really heavy, jerking,
scary hesitation when I had the foot to the floor.
I can run the engine up to near red line by slowly advancing the accelerator pedal as
long as I don't go to WOT.  Sounds, runs normally. 
But hit the floorboard and I get this horrendously heavy jerking like the engine cuts
out completely.  It's worse than the A/C clutch spike I got on my 200q20v sedan before
the Audi mod was performed.
Would this result from a bad throttle position switch? 
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