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

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 ...

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.

Abstract: A parametric fault modeling and diagnostics approach of a turbofan engine is presented. The healthy engine model is obtained as a steady state map between input parameters representing ...

My Tata Harrier Pre-Facelift: 25,000 km UpdateBack in September, the Odo was nearing the 25k Km mark and during a trip, while ...

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 ...