“It places diagnostic control firmly in the driver’s seat.” For nearly 30 years, carmakers have equipped every new vehicle sold with an OBD2 port in arm’s reach of the steering wheel. Originally ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Modern cars are technological marvels, and understanding what’s happening under the hood has never been ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. For nearly 30 years, carmakers have equipped every new vehicle sold ...