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

[abatzis2@hotmail.com (Michael Abatzis)]

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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