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>