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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. You're driving down the road, everything seemingly normal. Then, out of the corner of your eye, you see a light come on: the ...

Modern-day vehicles are equipped with numerous sensors designed to monitor every aspect of the car. If one of these systems detects an issue, it is likely to trigger the warning system, which will ...

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 ...

It’s the moment every car owner dreads, especially those of us who own older, out-of-warranty cars: The check engine light pops on. Keep a vehicle long enough, and it’s bound to happen. It happened to ...

When the dreaded malfunction indicator light turns on, it’s not the end of the world. Here’s how to cope with an MIL! Whether you know a lot about cars or nothing about them, it's never fun to see the ...