

| 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... >
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