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

Cylinder misfires can turn a smooth commute into a rough, fuel‑wasting slog, and they almost always leave a trail of ...

Discover how professional racing engine diagnostics reveal hidden problems in your car. Expert insights from Miami's advanced auto repair specialists.

In an industry growing more complex by the day, the stories only get stranger. You may have experienced these stories ...

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 ...

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