Within the Pontiac community, there are many who are very good at physically working on their cars. Changing parts, swinging motors, and the like comes very naturally to them. But when chasing a ...

Add Yahoo as a preferred source to see more of our stories on Google. Among the many pesky issues that can confound do-it-yourself mechanics, one of the most simple yet elusive that impacts overall ...

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 ...

As the piston rises again, compression of the fuel and air happens as the vacuum created underneath the cylinder pulls in another batch of fuel and air. The problem with that design is that it means ...