Loose wire somewhere.  I'd try jiggling wires on the coil, ECU, etc. and
try to make it happen again.

Allan
--
1991 Vanagon GL.

"Mike Miller" <mwmiller@CWNET.COM> said:
> Van types,
>
> Driving yesterday on a pretty bumpy paved road the engine suddenly quit.
> Didn't restart even though it was in gear. Pulled over and turned the key
> and it started right up and has run since then without incident.
>
> 86 syncro.
>
> Any ideas? Anything to worry about?
>
> Mike
>