I think, I have fixed it.  Finally.  After working on this for days.
When it stopped the last time, I applied direct voltage to the fuel pump.
And it did not run (the bugger).  Why.  Why it ran before and not later.  It
was a little hot too.  So, I think, it is something to do with the brushes
inside the pump, being too old, worn down.  I had similar thing with a
starter once.
Now the van is running for the last 15 minutes and it still needs to run for
a long time for me to say it's good.
Thanks for all the great guesses guys.  However, none was the one.
So, I hope all is well now.
Zoltan

----- Original Message -----
From: "Zolly" <zolo@FOXINTERNET.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Saturday, July 10, 2010 1:06 PM
Subject: Re: 40 minutes drive and then cuts out.

> I'm having it idle at this time.  Don't want to be stuck in traffic and be
> clueless on the freeway.  I have a fuel gauge attached to see if the fuel
> delivery is interruped or not.
> Zoltan
>
> ----- Original Message -----
> From: "neil n" <musomuso@GMAIL.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Saturday, July 10, 2010 12:48 PM
> Subject: Re: 40 minutes drive and then cuts out.
>
>
> On Sat, Jul 10, 2010 at 12:23 PM, Ken Wilford <kenwilfy@comcast.net>
> wrote:
>> You need to check for fuel pressure, and spark when the problem is
>> happening. One or the other is probably causing it and it should show
>> up when the event happens. If you wait to check these when it cools off
>> then you will miss finding the culprit. Could be either.
>
>
> And likely you're doing this Zoltan, but I'd suggest using the same
> route/distance etc. each time you test drive and trouble shoot. This
> helped me in trouble shooting my swap.
>
> Neil.
>
> --
> Neil Nicholson '81 VanaJetta 2.0 "Jaco"
>
> http://tubaneil.googlepages.com/
>
> http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
>
>
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Checked by AVG - www.avg.com
Version: 9.0.830 / Virus Database: 271.1.1/2993 - Release Date: 07/09/10
23:36:00