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 ...

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 ...

The medical community uses the term differential diagnosis to describe established test procedures to rule out reasons for an illness. Anyone who watches the television show House on the FOX network ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? As you've heard many times, your car's engine is nothing but a big air pump. It sucks ...

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 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 ...

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 ...

Cummins’ 5.9L diesel engines have many wonderful traits, from the simplicity of their design to the durability and reliability of their internal components. However, the powerplants also have parts ...

Cummins’ 5.9L diesel engines have many wonderful traits, from the simplicity of their design to the durability and reliability of their internal components. However, the powerplants also have parts ...