A check engine light doesn't always mean a major repair. Follow the diagnostic process and see how the real problem was ...

That Check Engine light can mean so many different things, as can any noticeable difference in your car's performance or weird sounds. Fortunately, there are ways to narrow down the problem using ...

Ignoring a check engine light can turn a minor problem into a major expense, according to a new report by CarMD.

Does a check-engine light really mean something is wrong with your engine? An OBD2 scanner can tell you. What you should do ...

Today’s cars, trucks, and SUVs are equipped with onboard diagnostic systems that can detect when a problem occurs and will flash an alert to the driver that a glitch exists. A vehicle’s brakes, ...

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or emissions system needs attention. I see it as an early warning system that ...

Car maintenance costs got you down? Complainers may want to stay silent in light of a study showing that costs are lowest in Maine for “check engine light” repairs of anywhere in the United States.

U.S. drivers are facing record-high check engine repair costs driven largely by aging vehicles. The most common repair — replacing a catalytic converter — can cost more than $1,300. Average vehicle ...

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 — ...

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 ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. This article is more than 4 years old. According to CarMD.com, the national ...