As long as you have that AFM apart why not do the AFM upgrade with that $1
capacitor. That will certainly help overall performance. For a great web
page to help you do it go to:
http://www.geocities.com/harald_nancy/intermitt._syndrome.htm

Personally I do not have enough experience with the surging problem but I
know others do.

William Polowniak
1989 Vanagon GL
1988 Mercedes 300 SE

> Hi,
>
> The van has been surging for a certain time now.  I checked for vaccuum
> leaks and found that the gasket between the throttle body and the intake
> plenum was leaking a bit, also the hose connecting the AFM to the throttle
> body was leaking.  Both were replaced today.  BTW the van has the new
little
> Volkwagen plugin for the AFM.
>
> Hum...
>
> Still surging.
>
> I dismantled the AFM from the van, brough it inside (it's freezing outside
> and my garage isn't heated!).  Openned it to look at the mysterious
rheostat
> I've been reading a lot about on the list.  Cleaned it and took some
> resistance measurments.
>
> Now the questions :
>
> 1. Can the AFM induce surging ?
>
> 2. Is it correct that the ohm reading I have through the range isn't
linear
> at all ?
>
> 3. How can I tell the AFM is OK without a hint of a doubt ?
>
> Thanks in advance for the input, the Vanagon electronic engine managment
is
> beginning to get some lousy words out of my own mouth...
>
>
> Ignace
>
>
> 1985 Vanagon GL
> 1967 Volvo 144S
> 1989 Mazda B2200 (lousy jap crap to haul construction materials for my old
> house, with NO MAINTENANCE electronic engine managment system...