Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

You're driving down the road, everything seemingly normal. Then, out of the corner of your eye, you see a light come on: the dreaded check-engine light. A lot of people just ignore it; after all, it's ...

Have you ever looked under your car's steering wheel at all the wires, fuses, and plugs? If so, you might find an odd plug called an OBD-II port. That's the same port any technician uses during a smog ...

Almost all cars made after 1996 have an OBD2 diagnostic port for plugging into and reading trouble codes when a “check engine” light comes on. But some vehicles, particularly German ones made after ...

Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The check engine light by its nature is vague, just a general indication that ...