slow car-how to test cis-e/ignition?

[brian_wagner@sbcglobal.net (brian_wagner@sbcglobal.net)]

ICM may have an intermitent short. Mine has one and it only acts up when it
has been in use the extended driving times.

Brian
----- Original Message -----
From: "Michael Abatzis" <abatzis2@hotmail.com>
Cc: <scirocco-l@scirocco.org>
Sent: Tuesday, April 22, 2003 11:39 PM
Subject: Re: slow car-how to test cis-e/ignition?


> neuspeed plug wires, look ok. tested resistance on the coil wire and one
of
> the plug wires, were wnl.  coil also has the right reistance, though i
don't
> know how to do a more in depth analysis. don't know about the ignition
> module. i suspect that would be an all or nothing failure, but maybe not.
> i'll check it out tomorrow. any other ideas? again, this came on fairly
> suddenly i think...
>
>
>
> -Michael Abatzis
> Hotlanta! GA-->Soon to be New Orleans!
> 1988 Scirocco 2L 16v RIP-->parting, finally taking orders:
> www.learnlink.emory.edu/~mabatzi/mikes_page1.html
> 1987 Scirocco 2L 16v...
>
>
>
>
> >From: Ryan H <rhock99@epix.net>
> >To: "Michael Abatzis" <abatzis2@hotmail.com>
> >CC: scirocco-l@scirocco.org
> >Subject: Re: slow car-how to test cis-e/ignition?
> >Date: Tue, 22 Apr 2003 19:08:53 -0400
> >
> >What kinda plug wires you using?  How's your coil?  Ignition module?
These
> >are what I'd suspect in the ignition system.
> >
> >
> > >
> > > From: "Michael Abatzis" <abatzis2@hotmail.com>
> > > Date: 2003/04/22 Tue PM 06:20:29 EDT
> > > To: scirocco-l@scirocco.org
> > > Subject: slow car-how to test cis-e/ignition?
> > >
> > > my car has suddenly become slow; checked the usual things (timing,
> >mixture)
> > > and found no problems (my timing light IS broken--the advance advances
> >at
> > > ~double the rate on the dial).  knock box advance is also working.
> >tested
> > > temp sensor and potentiometer for kicks; sensor's ok, pot is a little
> >off.
> > > i don't think this is a big deal, as i think it's only used for cold
> >weather
> > > enrichment, but someone please correct me if i'm wrong. injector quick
> >check
> > > ok.  compression is high and even x 4. tested the harness at the cis-e
> >box,
> > > and everything checked out. full throttle enrichment works as it's
> >supposed
> > > to. so i'm basically thinking that i have an ignition or fuel problem
at
> > > high rpm (this is where it's most noticeable). how do i check this?
how
> >do i
> > > see, for example, if i'm intermittantly missing spark at 5k rpm? fuel
> > > delivery should be easier; i'm guessing if i raise the air flow sensor
> >and
> > > measure the injector output, that should tell me overall if i'm
getting
> > > enough fuel or not (how do i do this? bentley calls for the old
"special
> > > tool").  other than being slow, the car runs fine. i can't hear any
> >misses,
> > > and it revs smoothly all the way to redline. only thing is i have rare
> >(once
> > > every few weeks) trouble with hot starting; i wouldn't even mention it
> > > otherwise. any ideas? i'm stumped--i don't think anything's broken,
but
> >i do
> > > think something's not quite right. i just don't know how to find it...
> > >
> > > oh-new plugs, good cap/rotor, new fuel filter, k&n cleaned last month,
> > > decent grounds (5-9 ohm drop from +/- cable to alt) with new
ground/body
> > > strap, though i still don't have a new + cable yet.
> > >
> > >
> > > -Michael Abatzis
> > > Hotlanta! GA-->Soon to be New Orleans!
> > > 1988 Scirocco 2L 16v RIP-->parting, finally taking orders:
> > > www.learnlink.emory.edu/~mabatzi/mikes_page1.html
> > > 1987 Scirocco 2L 16v...
> > >
> > >
> > >
> > >
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> > >
> >
>
>
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