In this video, I’ll show you how to make your own smoke test machine to quickly and easily detect leaks. A smoke machine makes diagnosing vacuum leaks fast and hassle-free—watch now to see how it’s ...

One of the most difficult tuning problems to overcome is the seemingly ever-present engine vacuum leak. Vacuum is an important component of the internal-combustion process because it controls basic ...

Have you ever inspected your vehicle's engine compartment and noticed that your engine has a couple of oil slicks on the ground next to it? A vacuum leak can be caused by just about anything from a ...

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 ...

In my 35-plus years of working on cars, I have encountered nearly every frustrating troubleshooting problem in the book. Part of the issue stems from my affinity for old Jeeps and classic cars, which ...