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 ...

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

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 parts working together in your car — many important for normal operation — ...

This story has been updated as of June 25, 2021, with information regarding potential warranty issues regarding driving with engine warning lamps on. Advancements in engine and emissions technology ...

Plus, the top five reasons for the light coming on CARS are fitted with a range of dashboard warning lights that indicate when there might be a problem with your vehicle. It is often possible to drive ...