Sounds like a fuel supply problem.  I'd try to monitor the fuel pressure
while driving using a pressure gauge and an observer in the back seat.

Larry A.

gary goldey wrote:

> I have recently had a "bogging out" problem....usually when I get out on the big highway and accelerate, my 1984 vanagon will start bogging out..like I am out of gas except no stuttering, just nothing...
>
>  After taking my foot off of the gas for a few and feathering back up to speed is the cure.  What are some of the most likely culprits?
>
>
>
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