Re: Poor running 85 4000q???

[robertr@apertus.com (Robert Randall)]

Eric,

Check for leaking fuel injectors.  It sounds like they may be leaking under 
pressure and delivering too much fuel.  Has your gas milage gotten worse?

Well, that's my $0.02...

-robert.

> 
> I am having a strange problem with my 85 4000 quattro.  The symptoms are as
> follows:
> 
> The car seems to stumble at low RPMs.  When in neutral and I rev the engine,
> the engine seems to stumble up to about 2000 rpm, then rev fine in the higher
> rpms.
> 
> When in gear, at lower rpms, when you floor it, the car will stumble up to
> about 2000-2300 rpm, just like it is running lean or the timing is off, then
> run perfectly above that RPM range.
> 
> It behaves the same wether the car is warm or cold.
> 
> This problem is not gradually appear.  On our first cold day (less than 10 F),
> it starting happening, and has continued ever since.
> 
> Please help me diagnose this annoying problem!
> 
> --Eric
> 
>