Neither black tape nor a Magic Marker is the solution when your car or truck's check-engine light comes on. When the light, which is shaped like the outline of an engine, illuminates, do not panic!

Drivers who clear a check-engine light only to see it return days or weeks later are not dealing with a glitch. Federal emissions regulations require the onboard diagnostic system to keep running its ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Your Check Engine light is shining like a beacon of bad news. What's going on? The ...

Plug in, open an app, and your check-engine light finally talks back. Here’s what an OBD2 scanner really does, and five brands worth your money. OBD2 scanners diagnose car issues but can cause ...

The check engine light by its nature is vague, just a general indication that something could be wrong with your car. But before you drive over to your local auto shop, an OBD-II scan tool can shed ...

Although commonly referred to as the “check-engine light,” some cars may instead display the message “Service Engine Soon,” or show a yellow or orange outline of an engine, perhaps with the word ...

It glows on your car’s dashboard and instantly ignites terror and loathing in the hearts and wallets of drivers; the dreaded “Check Engine” warning light. For ...

Fact: Check engine lights lead to gray hairs and sleepless nights. Just kidding, they’re important warning signs that help you maintain your ride’s health and well-being. But what happens when that ...