Draper Expert Turbo/Evap Smoke Diagnostic Machine Pipe Vacuum LeakThis smoke diagnostic machine for turbo and EVAP systems is a huge time saver, efficiently pinpointing leaks throughout all car systems and delivering fast test results. It is easy to use, able to switch effortlessly between turbo and EVAP testing. It uses mineral oil and workshop air to generate smoke to detect leaks while connected to the vehicle. The machine features variable air smoke pressure control, an easy to read test pressure gauge and oil