In a message dated 10/25/02 8:51:25 PM, Vwdude1957@AOL.COM writes:

<< If I idle too long in one spot
the van begins running a little rough and then will shut down. >>

Dave,
One rather obscure possibility is the presence of water in you fuel and, of
course, rusted through pinholes in the valley on the top surface of your fuel
tank.  When the van is at a standstill, the dispersed water has the
opportunity to form into a single bubble within the volume of the fuel.
George