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Subject:Re: 1985 Digijet Surging at idle (AFM?)
From:Walter Evens
Date:Sat, 16 Feb 2002 08:03:41 -0800

What does this person mean by the "new little Volkswagen plug in for the
AFM"?  Does it do the same thing as the capacitor?

Walter Evens
Hesperia, CA, USA
2-85GLs

----- Original Message -----
From: "developtrust" <developtrust@HOME.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Saturday, February 09, 2002 6:57 PM
Subject: Re: 1985 Digijet Surging at idle (AFM?)

> 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...
>