Re: '91 200Q Problem - Wastegate Valve

["Mike Miller" <MikeMilr@email.msn.com>]

I'd be very interested to know how to check the proper operation of the WGFV
via onboard diagnostics on a 91 200q. Spec is 25-35 ohms and even that is
not a good measure if it is leaking.

mike miller
91 200q
-----Original Message-----
From: Phil Payne <quk@isham-research.demon.co.uk>
To: quattro@coimbra.ans.net <quattro@coimbra.ans.net>
Date: Tuesday, September 16, 1997 2:51 PM
Subject: '91 200Q Problem - Wastegate Valve


>In message <01BCC2AB.EE7A2630@ABREITMAN> "Alan Breitman" writes:
>
>> My '91 200q will occasionally stall when decellerating or downshifting.
>> I know that the turbo wastegate valve has on a number of different posts
>> been the culprit.  My question is was is the best way to articulate this
>> to my mechanic (independent Audi master tech) who wants to "check out
>> everything."
>
>I'm with your mechanic - it could be almost anything, and the wastegate
>frequency valve would be a fair way down my list.  It's a pretty easy
device to
>check with the on-board diagnostics - I would expect that to have been done
>already, and if not it takes a couple of minutes.  I'd start with the idle
>switch and ISV, and then run through the controller inputs.
>
>--
> Phil Payne
> Committee Member, UK Audi [ur-]quattro Owners Club