What does the 2012 ford fiesta check engine light mean?

The check engine light for the 2012 Ford Fiesta alerts You of any issues or malfunctions with vehicle parts or systems. It can mean simple things like a loose or a broken gas cap or that it needs engine oil. Or it can mean more serious things such as damaged spark plugs, wires, or coils, problems with the thermostat, bad catalytic converter, bad mass airflow sensor, bad oxygen sensor or bad exhaust gas recirculation valve. If the check engine light is blinking rather than staying solid then the engine mIS Fired or a cylinder might not be working correctly. A blinking check engine light is way more serious than a solid check engine light. It can get pretty costly if it is blinking.