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 ...

In this video, I tackle the challenge of finding a vacuum leak in a car. I demonstrate how to create a smoke test machine to quickly and easily locate vacuum or boost leaks. Additionally, I provide ...