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 ...

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

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 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 ...

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 ...

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 ...

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 — ...

For an increasing number of people, the answer to that question is “Facebook Marketplace.”  Many car owners find that the ease of posting ad, the ability to verify buyers, and the ubiquity of Facebook ...

Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...