The Check Engine Light (CEL) happens when there is an issue. If you clear it manually, it may keep returning until the ...

Three of the main reasons the check engine light or malfunction indicator lamp (MIL) turns on are: a loose fuel cap, issues with the ignition system, and problems with the emissions system. Many ...

Check engine lights are sometimes accompanied by noises, smells, and vibrations that can help diagnose the underlying issue. But sometimes, that annoying little light comes on with no other indication ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. With both new-car prices and fuel costs on the rise, today’s motorists are ...