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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. This voice experience is generated by AI. Learn more. This voice experience is ...

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 ...

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 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 ...

This error code could indicate the need for a costly replacement catalytic converter.

You’re going to pay more per year for car maintenance if you live in a western state, and the cheapest states for repairs related to a “Check Engine” light are Michigan and Indiana. That’s according ...

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 ...

The warning light can return even after an expensive repair. Here’s what your car may be trying to tell you.