The Check Engine light may indicate a serious issue with your Cummins diesel engine. Here's how to check and clear the fault codes triggering that light.

"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 ...

An OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems. This information can help inform the user as to what the source of a problem ...

An OBD-II scan tool is an incredibly useful automotive diagnostic device, but it's not magic. Here's what it can and can't do.

Something we all dread seeing is the check engine light popping up on our dash. Instead of guessing what’s going on, OBD2 diagnostic scanners can look over your car’s systems and help you figure out ...