4000Q Stalls when I let off the gas

[Tyson Varosyan]

Mine is doing the same thing. Haven't died on me yet, but has come pretty
close a few times. Never figured out what the cause is.

Tyson Varosyan
Technical Manager, Uptime Technical Solutions LLC.
tyson at up-times.com
www.up-times.com
206-715-TECH (8324)

UpTime/OnTime/AnyTime

-----Original Message-----
From: quattro-bounces at audifans.com
[mailto:quattro-bounces at audifans.com]On Behalf Of Liotta
Sent: Friday, January 28, 2005 11:05 PM
To: quattro at audifans.com
Subject: 4000Q Stalls when I let off the gas


Hello all--

I have a 1985 4000S Quattro.  135,000 miles

It runs pretty good at speed, but when I let off the gas (in neutral),
RPMs fall below idle speed and it frequently stalls.

In recent past I have monkeyed with mixture and idle speed -- because it
was  idling rough---  and now is smoother but --- it will still stall--
so I increased the idle to 1100 or so.  This brute force method helps
the stalling but---- is pretty lame!

My mechanic says I need new injectors--- I have already tried injector
cleaning solutions.

Do you have any ideas???

Thanks very much----


Rick


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