I'd start by checking the fuel pump relay. I've had similar
'interesting' problems on my '86. Once was the fuel pump relay,
once was an intermittent short/open in one of the wires connecting
to the Hall sender in the distributor (this one was especially fun
to finally find).

Keith Hughes

Malcolm Stebbins wrote:
>
> AFAIK The ECU runs in "default" mode  for a few minutes on start
> up, then starts getting/using input from the various sensors, so if the
> van runs fine on start up, then gets bad, I'd guess that you have a
> faulty sensor some place.  m2cw   M
>
> On 30 Mar 2002 at 19:46, myjunkbox@rogers.com wrote:
>
> > I have an 86 Vanagon GL.  2.1 Digifart.   Here's the problem.    While
> > driving it starts to loose power, and won't rev up.   It will idle
> > (rough however) for a bit, and eventually dies.   All I have to do is
> > restart it and away it goes.  Sometimes for awhile sometimes for 30
> > seconds.   If I catch it when it first starts loosing power, I just
> > flip the keyoff and backon while driving and it clears up .
> > Definetly electrical.  Any suggestions?
> >
> > --
> > myjunkbox@rogers.com <myjunkbox@rogers.com>