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.

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 ...

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

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 ...

April is Car Care Awareness Month — and also National Canine Fitness Month, International Guitar Month and National Soft Pretzel Month, among many others — and the folks at CarMD are back with their ...

Onboard diagnostics (OBD) systems have been around since the 1980s and were developed to help limit harmful automotive exhaust emissions. Between 1988 and 1995, U.S.-built vehicles came with what's ...

The costs of buying a new or used car have climbed in recent years, and so has the average repair bill. If a vehicle purchase or major repair isn’t in the cards (or budget), maintaining the health of ...

A loose wiring connector could be at the root of several glitches in your 2023 Chevy Colorado, 2024 Chevy Colorado or 2024 Chevy Silverado 1500 truck if the check engine light is illuminated.

You just know it’s going to be a bad day when the “check engine” light on your car’s dashboard—which usually looks like the profile of a vehicle’s engine—stays on after you’ve started it. That usually ...

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 ...