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

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.

Here are our pro tips for diagnosing a check engine light. Head to your local auto parts store and rent an OBD2 scanner to see what’s what. The staff will also help you read the code.

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.

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

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

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CarMD, an automotive telematics company, published a list of the most common check engine codes in 2020, along with their estimated cost of repair.

While "Check Engine" and "Service Engine Soon" may sound like they indicate the same issues, they're actually for two different types of problems.

CarMD, an automotive telematics company, published a list of the most common check engine codes in 2020, along with their estimated cost of repair.