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.

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 ...

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 ...

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.

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

Ignore that light and risk higher emissions, lower mpg, reduced power, and severe engine damage Rislone Cat Complete Clears Check Engine Lights **media[704243]** Three of the main reasons the check ...

Although most check-engine malfunctions will require a code reader to diagnose, something simple to try is to make sure your gas cap is tightened — particularly if the light came on just after ...

A faulty or malfunctioning transmission can trigger the check engine light for a handful of reasons, including things like an overheating gearbox or issues with the transmission control module ...

If you want the check engine light to go off and stay off, you'll need to address the issues that triggered the DTCs. Then, you can clear the codes permanently.

The scanner also allows you to clear the vehicle's internal code, which is what triggered the check-engine light. Do that, and the warning light will turn off. More on that later.

When the check engine light comes on, it’s indicating that there is some issue with the car that should be checked out. This article provides tips on what this signal could mean, and even how to ...

A lot of different issues can cause your car's check engine light to appear. Often, it's not immediately clear what triggers the light. However, it's common for transmission problems to cause a ...