Unplug the wires to the switch. See how it runs that way.

Mark

HotelWestfalia wrote:
> Hi to all,
>
> I have this '86 van.  The engine runs fine, idles well but it won't accelerate properly.  It wants to die.  Takes a few tries to have it accelerate.
> One thing I noticed, the idle switch is clicking off a little late, (the one under the Throttle Valve)
>
> I have no idea what causes it.
> Anyone?
>
> Zoltan
>