Vehicle Compatibility Information Audi A3 2006-2009 3.2L Audi TT 2007-2009 3.2L Volkswagen Eos 2007-2008 3.2L Volkswagen Passat 2006-2008 3.6L Volkswagen R32 2008 3.2L Volkswagen Touareg 2007 3.2L 3.6L Does throttle body need to be replaced? The throttle body plays a large role in controlling the fuel and air mixture in your engine.The proper mixture needs to be achieved in order for your engine to run smoothly and properly. Once this part fails, it needs replacing rather than repairing. When you need to replace the throttle body: .
