[s-cars] Re: S-CAR-List Digest, Vol 21, Issue 30

[Raphael Avila]

Paul-

Is the miss constant or only under load??  If constant, I would
suggestsimply unplugging a lead to the fuel injector to determine
which cyl was having the issue. Or am I being to simple, which is
always the case.....

Riff

'95 S6

> Message: 1
> Date: Thu, 14 Jul 2005 10:09:24 -0400
> From: <pkrasusky at ups.com>
> Subject: [s-cars] coil diagnosing
> To: <s-car-list at audifans.com>
> Message-ID:
>        <5C1296A3D8CC9C4EB1EB9DDC08D746F60C08FDB6 at njrarsvr039a.us.ups.com>
> Content-Type: text/plain;       charset="us-ascii"
> 
> 
> Morning gents-
> 
> So I finally had a millisecond to determine my now like 8-week old+ miss
> is a failing coil, just as my gut suspected.  Swapped out coil covers
> with Domo Oregato Mr. Rossato Friday.  Genius me forgot that I'd done a
> POS channel swap so that temporarily had us confounded until Bob used
> his Spidey Engineering Sense and wised up to the matter and we then
> swapped the prong in the coil plug to match.
> 
> So...  now on to WHICH of the 5.  We briefly tried the SJM suggestion of
> laying the cover on wood with boots / plugs installed and injectors
> unplugged hoping to catch a visual.  However the plugs seem to need to
> be 'compressed' into the boots by the tightened down coil pack cover.
> WTF are we missing there?  Surely SJM isn't wrong but we couldn't figure
> it out.  Even Bob (scary).
> 
> Isn't there an impedance or conductivity or whatever test to try as
> well?  Can someone handhold me here?  I promise to call you in the
> morning...
> 
> Also of note, or maybe not...  all 5 coils had a slight bluish char on
> one side, and #4 had it on both sides.  Does this mean anything?  I know
> many here seem to report #4 failure being most prevalent.  149,997 on
> them.
> 
> Anywho, any thought / insight appreciated.  Maybe within the coming oh 8
> or so weeks I'll resolve it.  I *did* test drive with Bob's installed
> briefly and returned saying "thanks see ya later"... but that
> unfortunately didn't work.  Damn.
> 
> -Paul
> CT
> '95 UrS6 baby needs new coil
> '84 Ur4kq baby needs primer and paint today, finally.  Then an ex man
> gasket oh boy.
> '58 TR3A baby needs yet another new battery, oh and insurance would help