+18 Check Engine Light Comes On 2023. Seeing a flashing check engine light is much rarer. Web when the check engine light comes on the dashboard solid (meaning it isn’t blinking), it means there is something that needs to be looked at as soon as possible.
Web 5 reasons the check engine light is on: If the light begins flashing, however, it indicates a more serious problem, such as a misfire that can. Your vehicle has an onboard diagnostic computer that monitors your engine and how well it functions.
