Audi A6 Quattro 2005-2008 3.2L. Audi A6 Quattro 2009 3.0L. Audi A4 Quattro 2005-2009 3.2L. Audi A6 2006-2009 3.2L. Audi A4 2006-2008 3.2L. Relieve Fuel Pressure: Use the vehicle’s diagnostic system or disconnect the fuel pump fuse/relay and run the engine until it stalls.
