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 ...

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 ...

In order for our cars to carry us to and from our various destinations reliably, all the parts must work together smoothly. The fuel and air intake systems provide the ingredients necessary to power ...

This gas station faux pas will leave you fuming. An automotive enthusiast in Texas was recently filling up when he noticed another customer committing a highly common mistake — an amateur move that ...

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

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 ...

A 2024 Chevrolet Corvette with under 8,000 miles on the clock needs to go back to the dealership ASAP! The Check Engine light showed up on the dashboard. The owners have already diagnosed the car, but ...

While the volume of possibilities for why your car might seem sluggish can make it very difficult to track down the problem, a good place to start is to check to see if any warning lights are ...