If is isn't, the pressure sensor will show that as well.FYI I purchased a theatrical smoke machine / fog machine and have used it numerous times now to test for. Eric, Vacuum smoke testers are so expensive I need to build a cheap one or buy a used one can you or someone help me.In this video I show you how I constructed my own DIY Smoke Machine out of a paint can, a propane regulator, tiki torch wicks, and some Kanthal wire.a smoke machine is used to identify leaks in systems that hold and FAB - F a b. EVAP System testing using a Smoke Machine.
