Problems with your vehicle’s catalytic converter might first become apparent through poor acceleration, a rotten-egg smell from the exhaust, or the check-engine light coming on.

Your car's check engine light is a car's way of telling you something is wrong, so it should never be ignored.

What Causes the Check Engine Light to Come On? Every vehicle contains many sensors designed to illuminate the check engine light, signaling something is not safe or not operating properly. Many of ...

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.

In general, five common malfunctions can cause the check engine light to come on, and some of them are simple to fix yourself. Let’s take a look at the most common issues. Your oxygen sensor ...

(iSeeCars) – A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light illuminates, it’s hard not to hear the cha-ching sound of a ...

Changing the oil is the most common maintenance you'll have to do on your car, but what happens when the check engine light ...

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.

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.

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.

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.