The Best 2009 Honda Accord 4 Cylinder Check Engine Light Steady Blinking References. When the check engine light is flashing in accord, it indicates that there is a significant problem with the engine that requires immediate attention. If the check engine light is flashing or blinking, it means a serious engine problem, such as a misfire.

I don’t know if you’ve done any harm but you certainly haven’t done the car any good. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. The light blinks and then it turns off (cyclically):