The enigine is running too hot...
If it comes on it means the temperature of your engine is too hot. Your engine is overheating.
A low battery can cause the electrical system to flash check engine lights
It means your engine needs attention.
your car is over heating
When the check your engine light comes on in a vehicle it can mean various things. The light is part of the vehicles diagnostic system and acts as a warning that something may be wrong with your vehicle.
when the temperature light is green means that the engine is cold and needs to be warmed up.
It means the engine may be overheating.
On a 2002 Ford Ranger : The check " gage " light comes on if : The engine coolant temperature is TOO HIGH The engine oil pressure is TOO LOW or The fuel gauge is at or near empty
When the check engine warning light comes on in a vehicle, it means there is a problem in the engine. It means that the engine and connection need to be checked.
If an engine transmission light comes on in the dashboard there can be a potential problem with the drive-train. The engine's computer should receive a diagnostic to determine if there is anything wrong with the transmission.
Either your engine coolant temperature is HIGH , your oil pressure is LOW , or your gas tank is at or near empty
The check engine light stays on when the engine computer has detected a malfunction and set a trouble code.