Seeing your vehicle's check-engine light come on can throw a wrench in your travel plans. It can also feel a little scary: Does it mean your ride is headed for the scrapyard? Or is there a simple fix?

In the January issue, we discussed the history of OBD. This time we are going to investigate some of the technology required to meet OBD II standards. To give an idea of the magnitude of technological ...

All modern combustion-powered vehicles are equipped with an OBD II port that allows for quick and easy diagnostics but in the world of electric vehicles, things are not so simple. In fact, there is no ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The check-engine light suddenly appearing on your dashboard is enough to dampen any drive. For the ...

California is proposing regulation mandating an industry standard diagnostic system for EVs. The standardized system is set to debut in 2026 in the Golden State but could usher in the creation of ...