In this video, I demonstrate how to create a smoke test machine to detect vacuum or boost leaks in a car. The smoke machine ...

Finding and fixing vacuum leaks in a vehicle can be one of the most frustrating and time-consuming parts of automotive troubleshooting. A tiny crack in a hose or an EVAP leak can cause rough idle, ...

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 ...