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 emissions system needs attention. I see it as an early warning system that ...

Neither black tape nor a magic marker is the solution when your car or truck's check-engine light comes on. When the light, which is shaped like the outline of an engine, illuminates, do not panic!

Although commonly referred to as the “check-engine light,” some cars may instead display the message “Service Engine Soon,” or show a yellow or orange outline of an engine, perhaps with the word ...