One of the reasons your engine light came on might be because of a vacuum leak. Here's how to check if one occurred in your vehicle's engine.

Using Differential Diagnosis To Identify Engine-Vacuum Leaks - High Performance Pontiac Magazine ...

These devices, which have been around for years, inject harmless smoke into the fresh air intake system of the engine. This is where vacuum leaks occur but they are very hard to find.

A smoke machine makes diagnosing vacuum leaks fast and hassle-free—watch now to see how it’s done! how to find a vacuum leak in a car is very frustrating at times.

In this video I go over how to fine a vacuum leak or an evap leak using an automotive smoke machine. the machine i will be using is the autoline pro shop series smoke machine. It has a built in ...

Typically, valvetrain failure and engine damage occur at high rpm. There are dozens of other noise sources, too. Vacuum leaks can cause a whistling or hissing and poor performance.

Removing and resealing the vacuum pump on the 12-valve 5.9L engine technically isn’t too tall a task, but still, it does take a little know-how to get the job done quickly.