Chris,

The fact that you are only seeing the symptoms you
describe at a steady highway speed after 1 hour of
driving indicates to me that you are experiencing
the same hesitation problem that is fixed by the
harness sold by VW ($100 + dollars) or fixed with
a 22uf capacitor ($1.50) and with some soldering
know-how, you can fix it yourself.  Check the archives
for details.

Steven

--- Chris Earl <vw_traveler@HOTMAIL.COM> wrote:
> I have read all the archival correspondence
> regarding bogging, which has
> become a problem for my '87 Westfalia. After about
> an hour at highway
> speeds, it starts to lose power. This never happens
> below 50mph or on
> country roads where the velocity changes frequently,
> no matter how long I've
> been driving. The bogging can often be cured, albeit
> temporarily, by turning
> off the engine and turning it on again.
>
> Hoping to avoid costly replacement of the AFM, I am
> wondering what other
> things (fuel system, wiring and exhaust system have
> been suggested in the
> past) should be checked before springing for the new
> AFM and ground wire.
>
> Thanks!
>
>
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