You're driving along and suddenly your Check Engine Light comes on. What does it mean? Check Engine Light, Check Engine Soon Light, Service Engine Soon Light, Engine Light, Engine Management Light, "whatever" you want to call it, simply means that your vehicle's computer system has detected a problem.
Depending on the year, make, and model, it may be related to the engine, the transmission, even the brakes and suspension. There are literally hundreds of reasons a Check Engine Light may appear. The following questions and answers discussion will clarify the truth about Check Engine Lights.