[tech]: STILL high idle speed-driving me nuts!

[abatzis2@hotmail.com (Michael Abatzis)]

thanks for the help guys. seems that this is the culprit-- i didn't see 
anything moving when i looked at it. i'll try to clean it again, but it 
didn't work last time, so looks like i'll have to replace it. anyone have a 
spare? also, what other cars would have this part? just cis-e? if so, which 
audis could i get it from? they're not as rare as the roccs down here...
-michael

>From: "Merrilee Alexander" <merrilee@brubakerbox.com>
>Michael,
>
>It's actually a disk with a hole in it about the same size as the tube that
>points forward. When this cycles it rotates to expose or occlude the 
>opening
>to the front hose. It should be readily apparent if it is moving.
>
>Rick Alexander
>http://www.brubakerbox.com
>http://clubs.hemmings.com/hams/
>http://clubs.hemmings.com/vwsrus/
>
>----- Original Message -----
>From: "Michael Abatzis" <abatzis2@hotmail.com>
>To: <rick@brubakerbox.com>; <scirocco-l@scirocco.org>
>Sent: Sunday, February 24, 2002 7:11 PM
>Subject: Re: [tech]: STILL high idle speed-driving me nuts!
>
>
> > that's how i did the tests- what exactly is supposed to be moving? i saw
>no
> > movement. i tried the carb cleaner a couple of months ago; it didn't do
> > anything.
> > -michael
> >
> >
> > >From: "Rick Alexander" <rick@brubakerbox.com>
> > >Take the front hose off and do the tests. Look inside to see if the
> > >mechanical parts are moving. Mine did this and it tested just like 
>yours
> > >does. Try spraying some carb cleaner in there. Mine cleaned up easily 
>and
> > >now the mechanical parts can actually move and everything is fine. 
>Well,
> > >till the head gasket decided to depart.
> > >
> > >Rick Alexander
> > >http://www.brubakerbox.com
> > >http://clubs.hemmings.com/hams/
> > >http://clubs.hemmings.com/vwsrus/
> > >
> > >----- Original Message -----
> > >From: "Michael Abatzis" <abatzis2@hotmail.com>
> > >To: <scirocco-l@scirocco.org>
> > >Sent: Sunday, February 24, 2002 5:34 PM
> > >Subject: [tech]: STILL high idle speed-driving me nuts!
> > >
> > >
> > > > ok, so i've had intermittant idle probs since the 16v 2l swap in
>august
> > > > (still cis-e). every once in a while it idles at 2-3k rpm for a few
> > > > days/weeks, then it'll run fine. usually doesn't hunt; when it finds
>an
> > >idle
> > > > speed it likes, it stays pretty constant.  all new vaccum lines, all
> > > > electric connections cleaned during swap, new grounds, timing 
>perfect.
> > >oxs
> > > > checked out a month or so ago. the main suspect is the idle 
>stabilizer
> > > > valve. the evidence:
> > > >
> > > > 1. the dwell stays at 26' (within spec) no matter what. turning the
> > >bypass
> > > > screw does little to the idle, and less to the dwell.
> > > > 2. electrical tests check out w/ valve-- continuity between 
>terminals,
> > > > getting voltage, humming nicely. however, disconnecting the plug 
>with
> > >the
> > > > engine running does nothing to the idle, even when a/c compressor 
>etc
> > >turned
> > > > on. hmmm...
> > > > 3. when the thing is humming (and when it isn't too), i can blow air
> > >from
> > > > one side to the other w/o resistance at all. i'm guessing this isn't
>how
> > > > it's supposed to work (should alternate open/closed per duty cycle,
> > >right?)
> > > > but i don't know.
> > > > 4. when driving, engine still doesn't like to go below 2k rpms. it
>kind
> > >of
> > > > bucks like the throttle's stuck open. again, if the valve is faulty,
> > >this
> > > > makes sense.
> > > >
> > > > my theory is that the damn thing isn't closing at all, and letting 
>too
> > >much
> > > > air in. but the bentley tests check out, which makes me wary about
> > >replacing
> > > > it, especially since they're $200. any other ideas? i'd appreciate 
>any
> > >help
> > > > from you knowledgeable guys...
> > > >
> > > > -michael
> > > >
> > > >
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