I forgot to add that I also cleaned the grounds with a dremel/wire brush on the left head and
firewall, but it had  no effect.

On Wed, 2 Feb 2005 23:44:51 -0500, Adam H. Behle <tikiman2@COX.NET> wrote:

>It seems like more and more Vanagonites are having this problem more than ever these
days.
>My 87 Westy with 156K miles has the evil cold start bucking and stalling problem as well.  It
>feels like it is running on 3 cylinders and stalls repeatedly.  Once it is warmed up by careful
>manipulation of the gas pedal for about 5-10 minutes, all is well-great power, throttle
>response, 17 mpg.  Exhaust smells a bit rich, but it has for quite some time.
>
>This is what I have done so far:
>Replaced air filter, fuel filter, oil, oil filter, and spark plugs. Found and replaced 2 broken
>vacuum lines. Checked throttle switch per Bentley and found it to be ok. I have a nicely
>humming idle control valve which was cleaned anyway.  Swapped out the idle stabilizer
>control unit with a friends' and got no change in behavior.  Replaced temp 2 sensor last
year,
>but still need to re-check it.  All this has resulted in no change of cold idle stalling/bucking
>behavior.
>
>It seems like the fuel pressure regulator could be suspect, or possibly the "new" temp 2
>sensor.  The oxygen sensor doesn't participate in the cold idle loop anyway, so that is
>probably not to blame-right? It was replaced about 40K miles ago. My air flow sensor had
the
>"capacitor fix" when I was hunting down Vanagon syndrome a few years back. Turned out to
>be the ECU, which was replaced.
>
>So...I am at a loss for what to do next before giving up and bucking over to my mechanic.
>Any last ideas???  I'm not ready to give up just yet!
>
>Thanks, Adam