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 ...

Your car’s performance depends on precise control of air, fuel, and spark, and vacuum leaks quietly disrupt that balance. When unmetered air slips into the intake system, the engine computer receives ...