I'd start your troubleshooting with the O2 sensor. Disconnect it and see if
the problem disappears.

Angus Gordon
Bainbridge Island WA

On Fri, Jun 3, 2011 at 9:11 PM, C Snyder <titantic01@aol.com> wrote:

> Today I started having a weird problem with my 1987 2 wheel drive Wolfburg
> with factory A/C.
>
> When it is hot outside as it was today and I had the A/C running, when I
> would have to stop for a traffic light and when it turned green to go, I
> stepped on the gas and my van would hardly pull it self. No amount of
> pumping on the gas pedel would help. Once I got it moving, and the faster it
> went, it finally would take hold and start running great again. When I
> stoped again for a light, then it would start all over again. One time it
> died while trying to move and as soon as it started (It started right up) it
> was fine. I learned that if I shut the enginge off until the light turned
> green that I would start the engine and did not have the problem.
>
> The fuel filter I replaced a short time ago. It seems to only happen in hot
> weather and the temp guage it right in the middle. No over heating issues.
>
> any ideas are appreciated as it is a little unsafe with it behaving this
> way.
>
> Thanks in advance for any information on this.
>
> Chris
>