What does the logo check engine light?

The check engine light is an indicator on a vehicle's dashboard that signals a potential issue with the engine or emissions system. It can illuminate for various reasons, ranging from minor issues, like a loose gas cap, to more serious problems, such as engine misfires or sensor failures. When the light comes on, it's advisable to check the vehicle's diagnostic codes using an OBD-II scanner or consult a mechanic to determine the underlying issue. Ignoring the light can lead to decreased performance and potentially more costly repairs.