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



Oops you already went down this path... I should stop reading from the 
bottom up.

-My Bad
-RGK

At 07:51 PM 2/24/02 -0500, you wrote:
>Mike,
>     You should be able to look down the hole and see the valve moving as 
> it hums. If its stuck you
>may be able to clean it out/free it and save your cash.
>Al
>
>----- 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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> >
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>
>
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