"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 ...

OBD2 diagnostics apps that can run on Android devices have become quite popular lately, as they make it possible to check fault codes, access sensor information, and get an insane amount of details ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...