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 ...

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 ...

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 ...

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or emissions system needs attention. I see it as an early warning system that ...

We may receive a commission on purchases made from links. The check engine light is one of those dashboard warning lights drivers dread to see suddenly come on in the middle of driving. First-time car ...

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 ...

When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...

As great as cars can be for getting where you need to go as quickly as possible, they have some drawbacks. Most notable are the repairs that tend to come along with them, which can be every bit as ...

More than almost any other vehicle problem or symptom, check engine lights (CELs) can cause anxiety among drivers from just about every level of ownership experience. It’s basically because, once a ...