Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

Cold starts are the dirtiest moment—Bosch thinks it’s solved them with fire.

The OBD-II port. It's one of the most fascinating features of most modern cars, and, for lack of a better word, it's a portal into all of your car's deepest and darkest secrets. No, it's not hiding a ...

This light is properly called the Malfunction Indicator Light, so it’s kind of like a check-engine light. It’s telling you there’s something not right somewhere on the car and that you need to scan ...

From roof racks to tires, maintenance and driving habits, you can likely save hundreds of dollars per year at the pump.

From the November 1984 issue of Car and Driver. If ever a car was an immediate sales success, the Porsche 944 was. Overnight, the transformation of the 924 into the 944 changed the sales picture of ...

This re-creation of a spectacular 1934 one-off built for Edsel Ford has carbon-fiber bodywork and a Coyote V-8.

Everybody loves a bargain, especially when your car starts making a weird noise right when […] ...

With rising fuel prices continuing to squeeze drivers’ finances, new data from automotive diagnostics specialist, Carly, brings further unwelcome news for motorists. An undercover investigation has ...

The check engine light is the worst kind of message. It tells you something is wrong without telling you what, and the dealership will happily charge a ...