Tracking down the cause of the check engine light on my BMW—scanning codes, troubleshooting, and repairs.

In many cases, it's safe to keep driving when a solid check engine light turns on, but it's a sign to get the car diagnosed as soon as possible.

As Americans keep their vehicles longer than ever, October's Fall Car Care Month is a timely reminder to give cars the attention they need before winter. A few simple checks now can help prevent ...

If your turbocharger isn't performing how it should, you could be looking at expensive repairs. Here are the warning signs to ...

Uh-oh. A warning light has turned on in your car. What should you do? Thankfully the Car Doctor, John Paul from AAA Northeast ...

A faulty transmission speed sensor can lead to numerous issues, including things like rough shifts, cruise control ...

Symptoms of a malfunctioning NOx sensor include increased fuel consumption, as well as reduced power and acceleration. If a sensor fails, it will also trigger an on-board diagnostic (OBD) code, ...

These symbols, often called "idiot lights," are aimed at being easy to understand. But for many drivers, young and old alike, it's not that easy.

The alternatives are buying used, or keeping the car you own for longer. The question many drivers have at that point is how ...

This 1994 Ferrari 348 Spider has just sold for the price of a well-equipped Ford F-150. It comes with a V8 engine and quite a complicated past ...

The NTSB recommended that SEPTA suspend its Silverliner IV railcars -- which make up more than half of its Regional Rail ...