Romondes SM601 Car Smoke Leak Detector is a universal and professional auto pipe leak detect tool, it will help you to locate hard-to-find leaks in any sealed system, such as Cooling System Test, Car Sealing Test, Throttle Shafs, Engine Block Test, Intake System Test, Exhaust Systems Test, Crankcase system test, Fuel Tank System Test, Turbo System Test, Various Pipe Fittings Test, etc.