If the Check Engine light is on, then you have a problem with the emissions system. Once the repair is made the light must be reset with an OBD2 scan tool. If you do not repair the problem the light will just come back on.
There is no check engine light fuse other than the instrument lights fuse. Check engine light is computer controlled. If it is on, it means the computer has detected a problem with the emissions system. Repair it and they will reset the light.
You will need to have the engine scanned by a repair shop. That will give them codes to repair it. Once repaired they will clear the light. Clearing the light does not repair the problem. ***See discussion area for my dispute of this above answer****
A check engine and maintenance light have different symbols. The owners manual of the vehicle will decipher what each symbol means. A service light means a vehicle has a service that due while a check engine light requires some sort of repair.
A check engine light means you have a possible problem with the emission system , you should get the Ranger scanned for trouble codes to diagnose and repair the problem . Once the problem has been repaired the check engine light can be reset.
My 02 liberty check engine light has blinked in the past. It was because my battery needed to be replaced. Count the number of times it blinks and search for that blink pattern online for better information.