Q I have a 1997 Mercury Cougar with a 4.6-liter engine. About a year ago the oxygen sensor was replaced. Since that time, the yellow warning light will come on while I’m driving. It goes through a ...

Whether you know a lot about cars or nothing about them, it's never fun to see the check-engine light—also known as a malfunction indicator light (MIL). This is your car trying to tell you it has ...

Whether it's an improperly closed door, or the dreaded check-engine alert, dashboard warning lights are how your car communicates with you when something goes wrong. They light every time you start ...

You're driving along in peace when suddenly the dashboard lights up with a flashing Check Engine light. Can you ignore it and drive as usual until the next oil change ...