Re:1990 Coupe Q brake failure light & idle.

[schulz@tif623.ED.RAY.COM (Peter Schulz)]

Saam said:


>About 2 months ago, I replaced the brake pressure booster at Steve Taub
>Porsche Audi (extended warranty) and have had no problems until a week or so
>ago when I realized that the warning light stays on a bit too long.

>ALSO-  Steve Taub's brilliant mechanics were not able to reproduce a problem
>that is now getting worst.  The car's idle is unstable and drops when I come
>to a stop, especially during parking manuvers.  They said no vacuum leak, and
>the idle stabilizer was changed about4 months ago (again, under warranty).
> The car now takes 2 cranks to start when it's warm and SOMETIMES comes close
>to stalling after certain manuvers.

Got a similar problem.  Hydraulic pump putting a load on the engine?

>Any ideas?

Try the bomb test to make sure that the new bomb didn't fail

Peter Schulz
1990 Coupe Quattro
schulz@ed.ray.com