Out of the many dashboard warning lights that illuminate when starting or driving a modern car, the service engine and check engine lights are most often misunderstood or intertwined. Compounding the ...

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 ...

For most drivers, an oil change is a quick, hassle-free service that typically puts you out no longer than an hour and costs you (give or take) a hundred bucks. But even if you're perfectly on top of ...

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

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 ...

There are few things more distracting when driving than a check engine light, or CEL. The CEL is a vague, catch-all light that indicates there is an error somewhere ...

We may receive a commission on purchases made from links. The check engine light is one of those dashboard warning lights drivers dread to see suddenly come on in the middle of driving. First-time 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 ...

Today’s cars and trucks are literally rolling test beds of technology, which has tended to make the days of the so-called shade tree mechanic and eyeball diagnoses of what ails a given model a distant ...

Long story short is that my check engine light came on last Thursday. It was on until today when I noticed that it finally turned off. I have an appointment to take it in on Wednesday to get it ...

If the check engine light is illuminated on your 2023 or 2024 GMC Canyon or 2024 GMC Sierra 1500 pickup truck, GM has discovered a loose wiring connection that may be the culprit, rather than a more ...

Fact: Check engine lights lead to gray hairs and sleepless nights. Just kidding, they’re important warning signs that help you maintain your ride’s health and well-being. But what happens when that ...