Problems with air leaks and the fuel injection may cause starting difficulties.
Resources for the Repair and Maintenance of your 1991 Audi Coupe Quattro
1991 Audi Coupe Quattro
1991 Audi Coupe Quattro Problems
Various bushings—located around the subframe, suspension, and steering—deteriorate with age. A clunking noise when driving over bumps, accelerating, or stopping may be a sign of worn bushings.
Our technicians recommend having the constant velocity (CV) boots and CV joints inspected at each service. Servicing torn CV boots early can prevent the need to replace the CV half shaft or CV joint.
1991 Audi Coupe Quattro Recalls (Recent)
1991 Audi Coupe Quattro Questions and Answers
I have a problem with the brake system I replaced the brake accumulator and the master cylinder, but the brake pedal is hard and difficult to stop, I haved to press hard and lock the brakes up, so ...