Hi Folks,

        Any ideas what could cause the following behavior?

When the van is fully warm and we turn it off, then do something like fill the fuel tank or get a cup of coffee,  it usually starts right back up.  If for some reason we do this very quickly say turn  off the van then realize the bus is parked badly and immediately try to restart it will turn over strongly but not start.  Waiting a short time say 5 minutes or so and it consistently starts right up.  This does not happen every time.  

Already tried changing ignition switch and it did not change the behavior.

Eric Caron 
85 GL Auto Westfalia