[s-cars] Apikol coil kit failure question

[Robert Myers]

Aw nutz, Chris.  That's too easy.  Takes all the fun out of 
it.  ;-)  My suggested method works well for the OEM setup, though.

Bob


At 03:18 PM 1/2/2009, chris chambers wrote:
>Bob, Gentz
>
>because he has the 1.8 coil conversion I've found it's easier to
>simply swap out a known good coil with each coil, starting from
>cylinder 1 working towards cylinder 5.
>
>You know you've found the bad coil when the miss goes away
>
>HTH
>Chris
>
>--- Robert Myers <bob at chips-ur-s.com> wrote:
>
> >
> > Ron,
> >
> > A failing coil usually manifests itself as a high boost miss which
> > goes away when you get down off the loud pedal somewhat.  It will get
> >
> > progressively worse until the miss is present all the time and it
> > then emulates a failed PSO.
> >
> > To identify the failing coil:
> >
> > Disconnect the plug for injector #1 and go for a high boost run.  The
> >
> > engine will, of course be missing full time on #1 and if the failing
> > coil is still active (IOW, it isn't #1) the miss will get even worse
> > at boost (2 cylinders missing rather than just one) and, therefore
> > you can conclude that the failing coil isn't #1.
> >
> > Repeat for the rest of the coils one at a time.  The failing coil is
> > the one which when tested doesn't have the miss get even worse when
> > at boost.
> >
> > Bob
> >
> > At 01:47 PM 1/2/2009, ron kirkham wrote:
> > >For those of you with this kit, I have a question on coil failures.
> > I have
> > >the modified coils that were supplied with the kit (not the high HP
> > kit, the
> > >normal HP kit) and an extra for the inevitable failure.  This kit
> > was
> > >purchased in October of '07, and I have the -115R coils.  Plugs were
> > >replaced at the same time as the coil install with new boots.
> > Victim is my
> > >'93 S4 with 235k miles.
> > >
> > >My question is, do the coil failures "feel" the same as the original
> > stock
> > >coil/PSO set up?  I am getting a higher rpm, heavy load studder
> > >(ocassionally) that feels very similar to previous coil failures I
> > have had,
> > >but this is my first issue with this new set-up.  What is the best
> > way to
> > >figure out which coil may be failing since this only happens when
> > I'm heavy
> > >on the go pedal?  Do I just wait for the coil to fail at idle so I
> > can pull
> > >injector plugs?
> > >
> > >Also, I don't beleive this to be the ignition switch related
> > shut-off that
> > >many have reported, it's not nearly that severe.  Just a slight
> > >studder/stumble that doesn't happen if I'm not heavy on the gas.
> > Besides,
> > >as preventative maintenance, I replaced the ignition switch with an
> > Audi
> > >fresh one about 1.5 yrs. ago.  Not to say that could not be failing,
> > but I
> > >don't think it's that.
> > >
> > >Any input appreciated. TIA
> > >
> > >Ron Kirkham
> > >93 S4, with the stumbles to start '09
> > >95.5 S6A, safely garaged
> > >_______________________________________________
> > >S-CAR-List mailing list
> > >S-CAR-List at audifans.com
> > >http://www.audifans.com/mailman/listinfo/s-car-list
> > >
> > >No virus found in this incoming message.
> > >Checked by AVG - http://www.avg.com
> > >Version: 8.0.176 / Virus Database: 270.10.2/1871 - Release Date:
> > >1/1/2009 5:01 PM
> >
> > _______________________________________________
> > S-CAR-List mailing list
> > S-CAR-List at audifans.com
> > http://www.audifans.com/mailman/listinfo/s-car-list
> >
>
>
>Make April 15th just another day http://www.fairtax.org
>
>
>
>
>
>No virus found in this incoming message.
>Checked by AVG - http://www.avg.com
>Version: 8.0.176 / Virus Database: 270.10.2/1872 - Release Date: 
>1/2/2009 1:10 PM