Richard: I had a similar problem on my '85 Transporter/homemade West. and
it was diagnosed by a dealer, I believe correctly, as a problem with a part
of the electrical system. This is actually the subject of a service
bulletin which a dealer showed me. I've just checked my file and the wiring
harness needed to cure the problem costs $125 Canadian - part #
025-906-302-A. It was apparently replaced free of charge on '85 models if
done within a certain number of years, maybe under warranty.  I didn't
bother to spend the money and it has rearely re-occured. But once I knew
what it was I didn't worry about it either. It's really no more than an
annoyance.

The other advice you got sounds plausible too - that it is negative
pressure in the fuel tank due to a blocked vent. I've actually heard of
rabbits with this condition that continued to run but eventually collapsed
the tank - just sucked the top and bottom in as if they were severly dented.

Alan Pickersgill
Ottawa Ontario
Canada

At 08:13 AM 17/12/99 PST, Richard Bias wrote:
>All,
>  OK,  My wife does not want to drive it again (she almost got killed going
>40 MPH up a big hill on Rt 80 by us) and my parts guy is going to sell me a
>fuel pump relay for our intermittent high speed bucking.  Tach stays where
>it is, fuel filter is new, AFM strip was clean about 2 months ago.  Do you
>think the relay is it?  Thank you.
>Rich and Annemarie
>85 GL "Buba"
>98 Bug
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Alan Pickersgill
Ottawa, ON
Canada