Is your check engine light on? Before you panic over a massive repair bill, discover the five most common faults triggering ...

Perhaps the most mysterious warning light on your car's dashboard is the "check engine" light, which can illuminate seemingly for no reason whatsoever and lead to an unexpected bill just for ...

Consumer Reports has no relationship with any advertisers on this website. You're driving along in your car or truck and suddenly a yellow light illuminates on your dash telling you to check or ...

When the dreaded malfunction indicator light turns on, it’s not the end of the world. Here’s how to cope with an MIL! Whether you know a lot about cars or nothing about them, it's never fun to see the ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. You’ll usually know when it’s time to take your car, truck or sport-utility ...

Rev by DevToaster is an application for the iPhone and iPod Touch that allows real-time monitoring of vehicle ECU data from the OBD-II port. Rev interfaces with a WiFi OBD-II dongle. If your check ...

While your car can’t talk, it communicates with you using chimes, icons, and messages. One icon that you should never ignore is the check engine light. It turns on when the car’s onboard computer ...