"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 ...

The do-it-all bidirectional tool, TopDon’s ArtiDiag800 BT 2, has leveled up my diagnostics to a pro level at a fraction of ...

That little yellow check-engine light is sneaky. Most of the time, you forget it could be there. But when it detects an issue, it illuminates menacingly. For many, the initial reaction might be to ...

I'm not into cars to such an extent that I have an OBD-II analyzer in my toolkit. But when I discovered Chinese sources for $9-$20 USB & Bluetooth adapters, I couldn't say no. I thought it might have ...

It's unsettling to see the "check engine" light pop up on the dash when the car seems to be running fine. With the increased computerization of vehicles, the right smartphone accessories and apps can ...

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?

This article was updated in August 2025 with new products and information. That little yellow check-engine light is sneaky. Most of the time, you forget it could be there. But when it detects an issue ...

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?