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 ...

The Check Engine Light (CEL) happens when there is an issue. If you clear it manually, it may keep returning until the ...

It may cost you more in the long run. You’re driving along and suddenly your check engine light goes on. But nothing seems to have changed with the way your car is running. It’s OK to let it go for a ...

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

Of the myriad warning lights on your car or truck’s dashboard, it seems the most ubiquitous is the “check engine” alert. When you see the "check engine" message or a symbol that looks like a car ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. You’ll usually know when it’s time to take your car, truck or sport-utility ...