No smoke machine? No problem. Learn how to check for engine vacuum leaks using visual cues, soapy water, and DIY tricks to ...

Your engine is supposed to vibrate, just a little. But when the shaking gets harder to ignore, there’s probably something ...

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 ...

Modern-day vehicles are equipped with numerous sensors designed to monitor every aspect of the car. If one of these systems detects an issue, it is likely to trigger the warning system, which will ...

A check engine light, even if the car runs fine, often indicates a leak in the evaporative emission control (EVAP) system. An arc welder might revive a dead battery by cleaning sulfated plates, but a ...

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