Originally Posted by GREASYHANDS
Unless baby oil turns into pure nitrogen when heated I dont think many of the tool manufactures are doing it right. And how the fukc are you supposed to see a nitrogen leak?
You hook the nitrogen tank to the smoke machine to pressurize the system and look for the smoke. You are not supposed to introduce oxygenated air into the EVAP system. Most if not all EVAP smoke machines are either pressurized with nitrogen or have a way to hook a nitrogen tank to them.