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Re: 2-4kq's stumbling when cold

I have unplugged the Vacuum advance on some of my cars just to see what
happened and didn't notice a real big difference!  Either they weren't
working right or I'm blind, or they didn't make a big
difference.....Anyhow, that car ran fine without it though.  Hmmm.

	Todd Phenneger
	1984 4000s quattro / modified/ awaiting Turbo Transplant.
	1985 4000 quattro / Silver / Fixing it Up.
	1987 4000cs quattro / Saphire Metallic Blue/ Girlfriend's
	1996 A6q / Volcano / Dads Car
   *****1985 5kt / PARTING OUT!

On Fri, 29 Jan 1999, Martin Pajak wrote:

> MHLIGGINS@aol.com wrote:
> >         The '84 4KQ I got from John Mallick has the same symptoms. He said Audi did
> > LOTS of things to try to track it down. Think I recall all the ususal -
> > injectors, cold start valve, etc. I recently changed the ISV, to no avail,
> > because I had one from the parts car. Based on what it's doing I suspect the
> > timing advance is not working properly. I have not had time to pull the
> > distributor and look things over. I've got a spare 4K distributor that I'll
> > try, plus want to look at this one closely.
> >         This assumption is based on how some of my older U.S. vacuum-advance cars
> > acted when the advance was wrong.
> Yes, that just reminded me.The vacuum advance was down on my car as well.
> The unit was not holding any vacuum (probably the diaphram) and had to be replaced.
> If it helps any VW vacuum advance unit will bolt straight on.  I was looking for used
> oned at junk yard and found a VW Fox with a good one.  Surprising however was a fact
> that 5 out of 6 I looked at were not working as well.
> --
> Martin Pajak
> http://www.geocities.com/MotorCity/5939
> 1982 Audi Coupe Turbo (475,000 km)
> 1982 Audi Coupe Quattro (155,000 km) Rally car
> 1983 Audi Ur-quattro (220,000 km)
> 1986 Audi 4000 S Quattro (377,000 km) with 5 bolt pattern
> C.E.O. of examlastminuteallnighterrollthedice inc.