A quick trip to your local parts store could tell you why that warning light is on—and it might not cost you anything.

View post: 1949 Mercury M-47 Pickup for Sale With 794 Miles Shown CarMD sells an OBDII device for vehicle repair shops and car owners that plugs into a car’s diagnostic port. Because the device ...

The most frequent “check engine light” fix noted in a recent report is to replace the catalytic converter, which costs an average $1,313. It should come as no surprise to anyone who’s been paying ...

The check engine light has always been a bit of a gamble. Sometimes it’s a loose gas cap. Other times, it’s a four-figure reminder that modern cars are way more complex than they need to be. What’s ...

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

When it comes to the cost of getting a check engine light fixed, it doesn't always just depend on the issue itself, but where you live. So which states can you expect to pay the highest and lowest in ...

When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...

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 — ...

The owner of this Audi S6 has had enough of failures at the dealership, so he decided to drive down to an independent mechanic and ask him to save his car, which had the Check Engine light on. The ...