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 ...

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 ...

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

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 ...

The dreaded check engine light has just flashed on on the dashboard of your car. Do you need to pull over right way? Is the car about to stop in its tracks? Why is the light on in the first place?

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 ...

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 ...

How to determine whether your car has a loose gas cap—or a serious engine problem This is what the check engine light looks like. By Consumer Reports You’re driving along in your car or truck and ...

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 ...

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

Checking your engine's oil level and topping it up is a simple task, but one of the most important DIY car maintenance jobs you can do. Oil is the lifeblood of your engine and works hard to keep it in ...