[s-cars] Urgent.. UrS4 vibrates when turbo should kick in...

[Ivan Demkovitch]

So, statement that "coil is working or not" from
http://www.audifans.com/twiki/bin/view/Audi/TestingForSpark
is not correct? Like I said problem is intermittant. It happens rarely now. 
But under WOT acceleration I alsmost always have couple of "jerks".


>From: "mlp" <mlped at qwest.net>
>Reply-To: <mlped at qwest.net>
>To: "'Joe Pizzimenti'" <joe.pizzimenti at gmail.com>,  "'Ivan Demkovitch'" 
><idemkovitch at hotmail.com>
>CC: s-car-list at audifans.com, keith at maddock.com
>Subject: RE: [s-cars] Urgent.. UrS4 vibrates when turbo should kick in...
>Date: Sun, 19 Jun 2005 22:15:15 -0600
>
>Actually Joe, I believe Brian Powell has a rather interesting coil tester.
>Perhaps he will chime in with his methodology (I think there is something 
>of
>an art to reading how far, or in the case of a not so good, unhealthy coil,
>how not so far, a spark will jump.   From an email exchange with Bruce Mock
>May 31 links ....
>
>
>When in doubt (if they are still in business ~ I think they've gone through
>a couple of Chapter 11's) .... the old J C Whitney, .... or Army surplus 
>:-)
>or ...
>
>?  http://www.etoolcart.com/index.asp?PageAction=VIEWPROD&ProdID=538
>
>although Brian's device was pretty trick in that it allowed the gap between
>the contacts to be progressively lengthened so that one could build a
>relative basis from coil to coil of spark/coil strength.  In fact it looks 
>a
>lot like the device in photo #2 at
>
>
>http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&tc=photo&rd=1&item=
>4542220859&category=43989&sspagename=WD1V or
>
>	http://tinyurl.com/75h3o  or
>
>	http://tinyurl.com/9yh7m
>
>Ain't the net amazing?
>
>
> >-----Original Message-----
> >From: s-car-list On Behalf Of Joe Pizzimenti
>
> >minutes... No way to really "check" the coils, AFAIK, just
> >replace the spark plugs or even try tightening the gap on them
> >to see if that gets you anywhere.
> >
> >Joe
> >
> >On 6/19/05, Ivan Demkovitch <idemkovitch at hotmail.com> wrote:
> >> Ok.
>
> >>
> >> So, I will replace spark plugs. How can I check coils??
> >>
> >> Thanks,
> >> Ivan
> >>
>-----Original Message-----
>From: mlp [mailto:mlped at qwest.net]
>Sent: Tuesday, May 31, 2005 7:56 AM
>To: 'Mock, Bruce J (Bruce)'
>Subject: RE: Re: [s-cars] RE: Baffled over boost
>
>HTH
>
>Mike
>
>