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

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 ...

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 ...

A loose wiring connector could be at the root of several glitches in your 2023 Chevy Colorado, 2024 Chevy Colorado or 2024 Chevy Silverado 1500 truck if the check engine light is illuminated.

Long story short is that my check engine light came on last Thursday. It was on until today when I noticed that it finally turned off. I have an appointment to take it in on Wednesday to get it ...

One of a Times Square-like array of instrument panel lights that flash on briefly when your car starts – and it's sure to cost you money if it stays on – is the “check engine” icon. For the ...

A GMC Sierra AT4 owner is trading in his Duramax for a 2025 Ford F-150 Lariat after repeat "Check Engine" failures. From "seats that suck" to coolant valve nightmares, find out why this high-mileage ...

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 ...