On that point...
What's a good technique for testing for muffler coupling leaks?
The only thing I can think of is like the way you test for leaks in a natural
gas
line...spraying on soap and looking for bubbles. Won't this would just
evaporate
right off a hot exhaust pipe though?
Is there a better way?

thanks
-t

Hans Brouwer wrote:

> Hi Keith,
>
> I have exactly the same problem. The intermittent 2000 rpm idle started when
> I replaced some muffler parts and put a new oxygen sensor in.
>
> My next step is to investigate that there are no leaks in the muffler
> couplings.
>
> Mine idles a bit rough to.
>
> Keep me posted in what you find out.
>
> Hans
> Cumberland, Ontario
>
> 86 Westfalia (SlowPoke)
>
> ----- Original Message -----
> From: "Keith Adams" <vanagon_syncro@TELUSPLANET.NET>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Wednesday, August 07, 2002 10:49 AM
> Subject: help with function of idle stabilizer
>
> > I have been trying to root out an intermittent high idle (2000 rpm) on my
> 86 2.1
> > .
> >
> > - I have pulled the control unit for the idle stabilizer out from behind
> the
> > tail light and opened it up.  It is less than 3 years old form the
> receipts I
> > have from the PO and it looks all shiny and new inside still
> > - I have changed the idle stabilizer valve with a spare that I have.  No
> effect.
> > - the Temp II sender was changed last year (maybe year before) - could it
> be
> > bad?
> > - the idle position switch on the throttle body seems to be working fine
> and
> > clicking at the right spots.
> > - disconnecting the idle stabilizer valve seems to fix the high idle.
> >
> > How do you test the idle stablizer valve itself?  If it hums, is that good
> > enough?
> >
> > What are the other inputs into the idle stablilzer circuit?
> >
> > I get this high idle when warm and cold on an intermittent basis.  Some
> times,
> > pressing the throttle and releasing fixes it, other times not.  The high
> idle
> > appears when it's hot outside, or cold(er) outside, but not always.  I'm a
> bit
> > stymied and since we are headed on a two week road trip, I'd like to have
> a
> > handle on this.
> >
> > Please reply via p-mail as I'm in nomail at the moment.  TIA!
> > --
> > Keith Adams
> > Calgary, AB, CA || http://www.clubveedub.com
> > 86 Westy "Roxy" || 64 Beetle

--

Anthony Kimmons, Houston Texas
http://www.akimmons.com