2011 Audi S4 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2011 Audi S4
2011 Audi S4 ProblemsCheck Engine Light and/or Engine Overheating Due to Failed Thermostat
2011 Audi S4 RecallsPotential Fuel Leak
The fuel rail is a tube that carries fuel to the fuel injectors. The fuel rail may leak, increasing the risk of a fire. Dealers will replace the affected fuel rail and corresponding seals to correct this concern.