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CO adjustment plug question



I think the Callaway has one.  Sounds like that era.



On 5/7/07, DY Wong <sailingfc@xxxxxxxxxxxxxx> wrote:
>
> Yeah, the removable plug was on the early CIS systems because that was how
> you adjusted the CO.  As the system went electronic, the plug became metal
> (i.e., permanent) so the user wouldn't make adjustments to a system that
> in
> theory was trying to electronically self-adjust.
>
> The only place to find those plugs now are at the junkyards and they are
> far
> and few.
>
> -Dick-
> 78 Scirocco
> Original Owner
> 95 Passat GLX
> Second Owner
>
>
> -----Original Message-----
> From: Karl Krupke [mailto:kkrup62@xxxxxxxxxxx]
> Sent: Monday, May 07, 2007 5:24 PM
> To: jdbubb@xxxxxxxxxxx; camron@xxxxxxxxxxxxxxxxxx
> Cc: scirocco-l@xxxxxxxxxxxx
> Subject: Re: CO adjustment plug question
>
>
> Hi List,
>    The metering access hole plug wasn't always metal... early Mk1's used a
> rubber plug with a wire through the center, wire comes up vertically about
> 2" and ends in a small loop. Designed to be removed for adjustment then
> replaced, much more convenient I think than the metal plugs if you're
> having
>
> to diddle with mixture often for whatever reason.
>    I think those old style rubber plugs got superseded in early '80's, but
> if somebody wants to dig around in ETKA you might find a number (eh...
> good
> luck finding the part, though).
>
> Karl
>
> >From: "Dan Bubb" <jdbubb@xxxxxxxxxxx>
> >To: "Camron D. Crouse" <camron@xxxxxxxxxxxxxxxxxx>
> >CC: scirocco-l@xxxxxxxxxxxx
> >Subject: Re: CO adjustment plug question
> >Date: Mon, 7 May 2007 15:23:18 -0400
> >
> >The hole is "outboard" of the metering plate in the sense that air flow
> >through the hole still has to go past the metering plate to get into the
> >engine so all is good.
> >The concern about keeping crud out is a real one though. Generally have
> to
> >squirt some carb cleaner down the hole at the set screw so you can insert
> >the allen wrench.
> >I think the original purpose of the hole was not only to keep crud out
> but
> >to keep people from screwing with the setting.
> >Dan
> >
> >From: "Camron D. Crouse" <camron@xxxxxxxxxxxxxxxxxx>
> >To: "Peter" <peter@xxxxxxxxxxxxxxx>
> >Cc: <scirocco-l@xxxxxxxxxxxx>
> >Sent: Monday, May 07, 2007 2:59 PM
> >Subject: Re: CO adjustment plug question
> >
> >
> > >>> Hey all,
> > >>>
> > >>> Anyone know how to remove a partially drilled-out mixture
> > >>> adjustment plug?  I'm working on this '87 16v and the plug has
> > >>> been partially drilled out - the aluminum part.  The hardened
> > >>> steel part of the plug, well, nothing's touching that so far.
> > >>> From the diagnostics I've done at this point, this thing appears
> > >>> to be running WAY rich.
> > >>>
> > >>> That and I need to see if I can scare up a DPR test harness.
> > >>>
> > >>> Daun Yeagley - Wilmington Ohio
> > >
> > >>>Peter wrote:
> > > > If you want to fill it in, and the stock plug won't fit, or isn't
> > > > available, I'd clean it up, and use JB Weld on it.
> > > >
> > > > Peter
> > > >
> > > >
> > > >
> > >
> > > If this hole is left unplugged, would this constitute a vacuum leak
> > > and contribute to poor running?  Or does plugging it up merely keep
> > > the crud out?
> > >
> > > - Camron from Vancouver, WA USA
> > >    '86.5 Black 16V 2.0L
> > >
> > > _______________________________________________
> > > Scirocco-l mailing list
> > > Scirocco-l@xxxxxxxxxxxx
> > > http://neubayern.net/mailman/listinfo/scirocco-l
> > >
> >
> >
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-- 
80 Scirocco Callaway Indiana Red
87 Scirocco 16v Tornado Red
04 R32 Reflex Silver