Incredible Check Engine Light Flashes 7 Times Ideas. Web the check engine light, also known as the malfunction indicator lamp (mil), lights up whenever your engine has a problem that could lead to increased vehicle emissions. Web the problem can be in the fuel system, a bad map, a bad oxygen sensor, a thermostat problem or even a computer issue.

Web a flashing check engine light often indicates a misfire, or that at least one of your cylinders isn’t going through the combustion cycle properly. If too much raw fuel is reaching the catalytic converter, it can damage the device. This method may turn off the illuminated check engine light.