Cutoff at 6k rpm

[Mihnea Cotet]

IIRC the rev limiter is supposed to be 7000 on a 7A, and as far as I
remember, the max rpm programmed value in an AAN stock chip is 7000. The
tach must really have a huge error margin at the top of its range....


Mihnea

At 17:34 1/09/2003 +0100, Mark at cr-x.org wrote:
>Sort of off-topic, whats the rev limiter cut in for a 7A?  ..reason i ask is
>my cq20v cuts in 6,200rpms, where as the S4 goes all the way to 7200. Is my
>7A wrong or is that the normal cut-in?
>
>Thanks,
>
>Mark.
>
>-----Original Message-----
>From: quattro-admin at audifans.com [mailto:quattro-admin at audifans.com]On
>Behalf Of Bob Rossato
>Sent: 01 September 2003 15:03
>To: Rokas Reipa; quattro at audifans.com
>Cc: s-car-list at audifans.com
>Subject: RE: Cutoff at 6k rpm
>
>
>I had the same problem on my '95 S6 and it was driving me crazy trying to
>track down the problem.  The long and the short of it is that you are
>actually hitting the 7200 rpm redline and the ignition cut-off is kicking
>in.  The tachometer is just reading low by approximately 17%, which is
>coincidently the difference between 6 cyls and 5 cyls.  This is now the 5th
>S6 that I have heard of having this problem, and it only affects the '95-'97
>S6 with the digital odometer as far as I can tell.
>
>Fortunately Paul Gailus determined that the fix is easy, if you have access
>to a VAG-COM.  The instrument cluster is most likely coded for a 6 cylinder
>engine, and since it is only receiving 5 pulses per revolution, it will read
>low.  Here is a link to the post that Paul sent on how to fix it with
>VAG-COM:
>
>http://www.audifans.com/pipermail/s-car-list/2003-May/016834.html
>
>If you don't have access to a VAG-COM the dealer will obviously be able to
>reset it for you as well, but I wouldn't be surprised if they want to charge
>you for a minimum of 1 hour labor even though it was a mistake caused by
>whichever Audi dealership sold/serviced the car in the first place and
>didn't reset the cluster for a 5 cylinder engine.
>
>Bob
>
>
> > -----Original Message-----
> > From: quattro-admin at audifans.com [mailto:quattro-admin at audifans.com]On
> > Behalf Of Rokas Reipa
> > Sent: Monday, September 01, 2003 1:54 AM
> > To: quattro at audifans.com
> > Cc: s-car-list at audifans.com
> > Subject: Cutoff at 6k rpm
> >
> >
> > Hey everyone. My newly purchased 95.5 S6 will not allow me to
> > exceed 6k rpm.
> > Tried running it up to the redline in 2nd gear and it began bucking and
> > hesitating exactly at 6000 rpm, indicating a fuel cutoff. What gives? What
> > can I check/do to fix this problem? Thanks,
> >
> > Rokas
> > 95.5 S6