In this video, I explain how to find a vacuum leak in a car, which can be a frustrating task. I demonstrate how to create a smoke test machine for detecting vacuum leaks or boost leaks. Using a smoke ...

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 ...

Q: I have a 2013 Hyundai Elantra with 84,624 miles. The dealer recently replaced the engine under warranty. When I picked up the completed car, the check engine light came on within a couple of miles.