The first step is to read the check engine light code provided by the car’s computer system. This is the information that’s been logged by the sensors in your engine. It can be read with OBD ...

If you're a personal user, knowing how to read and interpret OBD codes is a trick that's well worth having up your sleeve for those times when the Check Engine light in your car suddenly comes on ...

Resetting a check engine light can save you stress and a trip to the mechanic so long as you have access to an OBD2 scanner.

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.

Consumer Reports explains what the check engine light means and what to do when you see it: how to tell if your car has a loose gas cap—or a serious engine problem.

Did you use an OBD2 scanner on your car to figure out why the check engine light is on, only to get the P0303 code? Here's what it means, plus possible fixes.

The Check Engine light may indicate a serious issue with your Cummins diesel engine. Here's how to check and clear the fault codes triggering that light.

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.

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