Re: UrQ CIS Problems / Fix For Billsteins

["Douglas Hurst Quebbeman" <dougq@iglou.com>]

> At last posting I was getting a terrible clunk from the front end of my 1983 
> UrQ, after having replaced every rubber bushing in the front end. After some 
> investigation I determined that the Eibach springs were somewhat loose in 
> their perches when the car was jacked up. The solution (not elegant) I put a 
> short section of thin rubber tubing over the upper and lower coil ends to act 
> as a damper. It worked. The spring doesn't move and the car is almost showroom 
> solid over any and all surfaces. Now for the rear suspension.....

Perhaps not elegant, but an Audi-engineered solution for the 100LS, and I think
they did that with the Fox and my 1980 Audi 4000.

> Problem: If I start the car cold it starts right away. If I let it idle it 
> will do so happily for about 5 mins and then starts coughing and will die if 
> not revved. If I just drive the car I never notice this phase. The same thing 
> happens when the car is hot, but has sat for more than 15 mins. If the car has 
> been off for between 0 and 15 mins it doesn't happen. I have new injectors and 
> seals, new pressure regulator and a new cold start injector. All hoses are 
> new. Car is tuned to a 50% duty cycle, new (2 yrs) O2 sensor. Any help is 
> appreciated. When I get time I'll throw the pressure gauge on the fuel system 
> as I think the control pressure regulator is fooling the car into thinking 
> it's warmed up when it isn't yet.

Auxiliary air regulator?

hth, -doug q 
--
-Douglas Hurst Quebbeman (dougq@iglou.com)       [Call me "Doug"]
    QuattroClub USA# 4536     Audi International # 100024
       74 100LS Auto,     84 Coupe GT 
       77 100LS Auto,     86 5Kcstq QLCC 1.8bar  
"The large print giveth, and the small print taketh away."  -Tom Waits