I have the same problem on my 1990.   I have also changed out the same
stuff that Frank has tried.  I am thinking now about the timing but it
appears to be in spec per the Bentley.

Perhaps it is some kind of virus inflicting us Canadians...

-------------------------
Laurence Smith
Hamilton, Ontario, Canada
90 Westy (fanumbos)
87 GL
-------------------------

> -----Original Message-----
> From: Vanagon Mailing List
> [mailto:vanagon@GERRY.VANAGON.COM]On Behalf
> Of Frank Condelli
> Sent: Monday, December 09, 2002 6:55 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Cold Start Problem
>
>
>         I've got a cold start problemon a 2.1 engine I need
> some help with.
> On cold start idle will initially go to 1000 rpm then drop
> back to 800 ~ 900.
>  Then intermittently go up and down.  Very rough idle and
> will usually die
> and need to be restarted.  Once warm all is good.  I have
> checked the Temp II
> switch and have installed a new one and tried several
> others all with the
> same results.  BUT, when the temp II switch wires are
> unplugged the idle goes
> up to where it should be for a cold start situation.  The
> colder out it is
> the worse the situation.  I'm talking about Canadian cold
> here in the Ottawa
> Valley just in case you didn't get that part of the story !
>  Could it be the
> ECU ?  Throttle valve position switches are working and set
> correctly.  Idle
> stabiliser valve working and I've changed it out with known
> good ones just to
> see if there was any difference...none.  Also changed out
> the idle stabiliser
> control unit to a known good one and that made no
> difference either.  I'm
> stumped !  I'm beginning to believe all the temp II
> switches I have,
> including two new ones are faulty !  Is that possible ?
> Don't even answer
> that question !
>
> Cheers
>
> Frank Condelli
> Almonte, Ontario, Canada
> <A
> HREF="http://members.aol.com/BusFusion/bfhome.htm">BusFusion
> </A> a VW Camper camping event, Almonte, ON, June 12 ~ 15, 2003
> '87 Westy & Lionel Trains
> Member: <A HREF="http://www.vanagon.com/">Vanagon List</A>,
> <A HREF="http://www.bcn.net/~limbo/">LiMBO</A>, <A
> HREF="http://www.westfalia.qc.ca/">IWCCC</A> & Capital City VW Club
> Vanagon/Vanagon Westfalia Service in the Ottawa Valley
> <A
> HREF="http://members.aol.com/Fkc43/stebro.htm">STEBRO/Vanago
> n Stainless Steel Mufflers</A>
> <A HREF="http://members.aol.com/Fkc43/busindex.html">Frank
> Condelli & Associates</A> or http://frankcondelli.com
>
>
>