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

An important part of keeping maintenance costs down is resolving issues before they fail completely. Here are 10 tips that ...

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

Alex Palmeri bought a 2002 Mercedes-Benz G-Class for $18,000. It turns out it was cheap for a reason. Such cars usually go ...

Playing second fiddle to the dreaded check-engine light is the oil light, one of the many dashboard warning lights that you shouldn't ignore when it illuminates while driving. Some cars have multiple ...

At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...

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 ...

We may receive a commission on purchases made from links. The check engine light is one of those dashboard warning lights drivers dread to see suddenly come on in the middle of driving. First-time car ...

Hundreds of thousands of vehicle owners around the U.S. may have to pay a visit to the shop after General Motors recalled nearly 600,000 Chevrolet, Cadillac and GMC vehicles due to engine issues that ...

General Motors is recalling close to 600,000 vehicles from its Chevrolet, Cadillac, and GMC lines due to a serious engine defect that could cause significant damage or complete engine failure. In a ...