"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 ...

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Whether you're an everyday driver or a pro technician, when your check engine light suddenly comes on the first step is to connect an OBD-II scanner. At Autoweek, we recommend everyone carry an OBD-II ...

Does the mere sight of your car’s check engine light send your stress and anxiety levels skyrocketing? For years, the only way for car owners to determine why this light had suddenly turned on was to ...

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 ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

Our entire lives are run through — and directed by — our smartphones, so it only makes sense that your car’s diagnostics would live there, too. Thanks to Bluetooth technology, wireless OBD2 scanners ...

What do you do when the 'Check Engine' light comes on in your car? A lot of people just ignore it; after all, that sensor is notorious for lighting up for no reason. On the other hand, it could ...

Modern technology has made diagnosing vehicular issues much easier than ever before. Using an OBD2 (On-Board Diagnostics II) scanner is a relatively simple process that can provide crucial information ...

That's where OBD-II scanners come in, giving enthusiasts and everyday drivers a window into their vehicle's diagnostic systems. If you're chasing down the cause of a check-engine light, ensuring peak ...

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?