In order for an engine to perform its best, it must have proper fuel, spark, and cylinder sealing. Conducting a leakdown test is the best way to determine if there's a problem with a particular ...

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 ...

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 ...