Sounds like you might be developing a vacuum in the gas tank.  Try
loosening the gas cap.  I must admit that with all those connections on
top of the tank, it seems like air should be able to get in.

Larry A.

corey hoffman wrote:
> After driving for 40 minutes at 60 mph I began to my
> van began to feel as if it ran out of goss, a sudden
> loss of power and then regained.  It went along fine
> for a while until I came to a mountain pass and then
> it did it quite a bit.  When I came to a stop my idle
> was bouncing from 200 to 1200.  I shut the van off and
> restarted and it seemed to idle fine but I did not
> drive it until the next day.  It did the same thing
> the next day, but only on small climbs.  It may have a
> related symptom.  After driving for 1/2 mile or so, I
> can hear a "clunk" or "thump" coming from under the
> front half of the van.  After turning the van off and
> walking to the slider I can hear a loud "clunk" again,
> sometimes twice.  Could my loss of power be related?
> Fuel issues?  i am puzzled as to where to start.  Any
> help would be greatly appreciated.
> Thank You,
> Corey
>
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