Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

We’re obviously not talking about a jammed semi-automatic or dud ammo, but an engine misfire is fundamentally the same thing. A cylinder supposedly filled with compressed air and fuel—akin to ...

As a general rule of automotive ownership, you never want to see your car smoking. Flames from the exhaust, maybe. But smoke? That’s a hard no. Regardless of the color, smoke is an abnormality and ...

The check engine light is on and it could be anything from a loose gas cap to a fouled up cylinder. We show you how to find out the severity of the problem with the the CarMD diagnosis tool before ...

How many times have you been to the doctor or hospital for some ailment and the diagnosis was wrong? Getting to the root of most any problem within a complex situation is tough-even for professionals.

A car can be compared to the human body and may need diagnostic tests very often. For humans, when a patient consults a doctor about a symptom, the doctor runs a medical diagnostic test to ascertain ...