Onboard diagnostics (OBD) systems have been around since the 1980s and were developed to help limit harmful automotive exhaust emissions. Between 1988 and 1995, U.S.-built vehicles came with what's ...

I tend to hold on to my vehicles for a long time, which means things eventually wear out or stop working the way they should. I also try to handle repairs myself whenever it makes sense. Sometimes ...

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?

A solid check engine light is a "look into this soon" nudge. A blinking one is different.

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 ...

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 ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

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 ...