In this video, I demonstrate how to locate vacuum and evap leaks using the Autoline Pro Shop Series smoke machine, which features a built-in regulator for safe evap system testing. Smoke machines can ...

We may receive a commission on purchases made from links. A vacuum leak in a car occurs when there's an unintended opening in the vacuum system, which allows air to enter the engine. This disrupts the ...

Diagnostic leak detection technology — sometimes referred to in the field as smoke testing or using a smoke machine — is being used by the most advanced fleets as a surprising solution to otherwise ...