After massive coolant leak, terrible idle, black smoke. still in trouble

[Jim Green]

--- Martin Pot <paulnet at direcway.com> wrote:
> Hi Guys.
> I am still at a loss here with the 2CTQA 20v 3b
> engine, and this has been
> the longest period of time I had an Audi down in 10
> years, and it has become
> embarrsing.. I have measured the RPM sensor and
> ignition sensor per Bently
> and they seem to check out good.
>  I have finally managed to  pull the codes but I am
> getting 4444 with my
> blinking light, while the car is struggling to keep
> alive. I did not take it
> for a drive before I did the codes, may be that is
> the problem, but I am
> afraid to drive the car as it is. When it idles it
> sounds like vvroomm,
> vvroomm, vvroomm with a slight pause in between the
> vvroomm's, and very near
> death only to struggle back up to a burst of 900
> RPM. It is also producing
> nasty black smoke, but gets less when I rev the
> engine but still keeps on
> smoking.
>  It seems it is getting way too much fuel.
> If the fuel pressure regulator fails would this be
> the result?
> It is driving me nuts not to be able to find the
> problem.

Yea, let it heat up and take it for a little spin.  I
bet you're in some kind of limp mode, you should get
some codes for sure.  If I had to guess at what's
wrong, I'd look at the Mass Airflow sensor, and the
temp sensors.  If one of those were having trouble,
you'd be running rich.

=====
Jim Green
'89 90tq 034EFI Stage II
http://www.geocities.com/jeg1976/car_home.html

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