It happens at the worst time - stuck in traffic or a long road trip - when you see that check engine light flick on. Here's why it may keep returning.

Your vehicle has a problem if the check engine light (CEL) glows. Diagnostic trouble codes (DTCs) stored in the computer help find the cause.

The check engine light means one of your car’s systems is malfunctioning. If it’s flashing, pull over as soon as you safely can. If it’s steady, follow these simple steps. Many, or all, of the ...

Although commonly referred to as the “check-engine light,” some cars may instead display the message “Service Engine Soon,” or show a yellow or orange outline of an engine, perhaps with the word ...

Neither black tape nor a magic marker is the solution when your car or truck's check-engine light comes on. When the light, which is shaped like the outline of an engine, illuminates, do not panic!

Whether you know a lot about cars or nothing about them, it's never fun to see the check-engine light—also known as a malfunction indicator light (MIL). This is your car trying to tell you it has ...

While your car can’t talk, it communicates with you using chimes, icons, and messages. One icon that you should never ignore is the check engine light. It turns on when the car’s onboard computer ...

Three of the main reasons the check engine light or malfunction indicator lamp (MIL) turns on are: a loose fuel cap, issues with the ignition system, and problems with the emissions system. Many ...

(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 cash ...

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 parts working together in your car — many important for normal operation — ...

In order for our cars to carry us to and from our various destinations reliably, all the parts must work together smoothly. The fuel and air intake systems provide the ingredients necessary to power ...