What does your temp. gauge say at the bottom of the hill? You may have
a lazy thermostat, keeping the motor to cold. Running down hill may
cause the motor excessive low temp.

            Eric                   86-VW4x4
            vw4x4@fyi.net          72-240z
            Pittsburgh, PA USA     1936-Chrysler

On Wed, 2 Jun 1999, Mark Gajewski wrote:

> My '85 GL has had a weird condition for quite a while now....after long
> downhill descents (3/4mile+) with my foot off the throttle the motor doesn't
> run properly when I reach flat ground again.  When I put my foot back on the
> thottle the motor feels sluggish, sounds bogged down and stumbles and bucks
> alot.  This bogging etc. then lasts for about a mile or two before finally
> going away as quickly as it came.  I'm guessing it may be the weak AFM
> spring trouble that I have seen frequently posted.  Does this sound like the
> likely culprit?  Otherwise, though everything seems fine...I get good
> mileage, no black smoke, pass emissions tests etc.
> Thanks,
> Mark
>