new never used AUTOOL CT400 GDI Fuel Injector 6-cylinder Cleaner and Tester is a great upgrade, which adapts the latest GDI design. It not only can be used to clean and test the standard injectors, of note that it can carry out GDI injectors, including compatible for Benz, BMW, AUDI, Porsche. It comes with multi voltages available for GDI injectors, which enables to adapt for different types of injector testing. The machine is the necessary and preferred equipment for the automotive serving and maintenance, research, and teaching training departments.