89 Coupe engine trouble

[Per Lindgren]

This is worth checking into, but how do I adjust the mixture on one cylinder
only? This is the CIS injection.

PerL


alan pritchard wrote:

> sounds to me like the engines running too rich maybe, that would explain the
> bogging and stumbling, as to where to go from there, check plugs for colour,
> find the cylinder or cylinders that are wrong, and try to adjust the mixture
> on them cylinders, i had a problem where the car was fine when cold, when it
> warmed it was impossible to keep the revs up, turned out an injector was out
> and the 6th kept it running, then after i replaced the injector it ran very
> rich and behaved like your description.
> ----- Original Message -----
> From: "Per Lindgren" <lindgre at online.no>
> To: "quattro" <quattro at audifans.com>
> Sent: Thursday, July 05, 2001 2:24 PM
> Subject: 89 Coupe engine trouble
>
> > Hi people!
> >
> > I'm asking you this on behalf of my cousin Glenn. He has an 89 Coupe fwd
> > 2.3E (NG code) that has approx. 140.000 kms on the meter.
> >
> > The engine in his car is low on power, it has a weak bottom end torque
> > and erratic pull at mid rpms. Just no smooth power. Sometimes it also
> > stalls at red lights, other times the idle is 2k rpms. On top of it all,
> > sometimes it loses all power when flooring it, it just bogs down.
> > Letting off, the power regains so the engine does not die out. So
> > naturally he loved driving my car, which is virtually the same as his
> > sans roof.
> >
> > The shop he bought it from tries to help him out, but they do not have a
> > clue it seems. They have rebuilt the cylinder head with new valves,
> > guides and seats. They are going to look over the injection system next.
> > My clues are either fuel delivery problems or plugged cat. Anyone have a
> > dejavu here? Please let me know.
> >
> > Pics of his Coupe and my Cab are coming up here later tonight:
> > http://albums.photopoint.com/j/AlbumIndex?u=1709594&a=13134234&f=0
> >
> > PerL
> > 92 Cabrio 2.3E
> >