Do you often find that your oil level is lower than you expect when you check it, or do you get a lot of grief from the tech at the oil change shop about your oil change intervals? If so, your engine ...

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

Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...

We may receive a commission on purchases made from links. If you've worked with cars for a while or have owned a few, you probably know that different vehicles use different types and classifications ...