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 ...

In many cases, it's safe to keep driving when a solid check engine light turns on, but it's a sign to get the car diagnosed ...

The dashboard of your car provides plenty of useful information while you're driving, from the speed you're traveling at to the amount of gas left in your tank. The check engine light is another ...

The overall average repair cost for a Check Engine light issue was $393, an increase of 3.6% from 2020 and 2016 model year cars had the highest average at $397.87. The light is set off by a variety of ...

Modern cars are becoming more and more computerized, so much so that in 2010, CarMD.com, a provider of automotive diagnostic data, reported 675 different possible reasons for a check engine light to ...

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The average car on the road today is almost 11 years old, and even though cars are built to last longer, all that wear and tear takes a toll. In fact, 80 percent of vehicles are in need of service or ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. With both new-car prices and fuel costs on the rise, today’s motorists are ...

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

Side gapping your car's spark plugs could result in some modest performance gains. Here's what it means, how to do it, and ...

Question: I have a 2005 Ford Ranger pickup with a 3.0-liter V-6 engine. It has 14,680 miles on it. When I start my vehicle after it has been parked for a while, I notice a bluish-gray smoke coming ...