When that happens to me the first thing I think of is moisture in the gas
----- dump a bottle of Heet (gas-line antifreeze) in your tank and see if
that does the trick.

Cheers,
Doug

>Volks,
>
>On my way out of town with a new load of fuel suddenly the van lost power
>wouldn't rev over 3-4 k and had no go.  Kind of like 3 cylinders were
>working the fourth was on vacation.  Won't rev in any gear.
>
>I thought maybe the vacuum advance had disconnected but that looks ok.
Any
>ideas out there?
>
>TIA
>
>Mike