Ignoring a check engine light might feel harmless if the car still runs smoothly, but the warning signals more than a minor ...

If your vehicle is throwing a check engine light, but you don't have a diagnostic scanner handy, here are three tricks to try before seeing a mechanic.

What Is the First Thing to Check When the Check Engine Light Comes On? Start by checking the gas cap first, since that is easy to fix. Beyond that, it’s not a good idea to try and guess what the cause ...

What Your Check Engine Light Means When your check engine light turns on, one or more onboard diagnostic trouble codes are stored in the car’s computer.

While your check engine light is obviously meant for engine issues, it can often give you clues to problems in other parts of the car as well.

Some cynics believe the “Check Engine” light was invented to get vehicle owners to schedule more visits to the dealer for service.

It's tempting to keep driving, but choosing to ignore your check engine light could result in expensive repairs down the road.

Your check engine light can come on for a lot of different reasons, but there are only a few that occur after putting in gas. Here's what we know.

CarMD’s latest study looks at the most common check-engine light repairs and their average costs over the previous calendar year, then ranks the results.

A whopping 43.4% of respondents age 45 and older take their cars straight to a mechanic when the check engine light comes on.

A check-engine light could be a gentle reminder or a sign of something catastrophic. We explain what a malfunction indicator light is and what you can do about it.