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

Your engine oil plays a crucial role in your vehicle's performance, but could low levels trigger a check engine light? Here's what you need to know.

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 ...

Is it true that an improperly fitting gas cap can cause the check-engine light to come on? The service manager said that there is an “escaped fume detection system” that causes this alarm. Did ...

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.

The check engine light is your car’s way of alerting you that something's amiss — but it could be as minor as a loose gas cap, or more serious, like a faulty oxygen sensor. Repair costs for ...

CarMD.com, a provider of automotive diagnostic data, reported 675 different possible reasons for a check engine light to come on.

This, in turn, will cause the computer to turn on your Check Engine light. So, the first thing you should do if your light comes on is stop your vehicle somewhere safe, turn it off, and check your ...

Does a check-engine light really mean something is wrong with your engine? What you should do if yours comes on.