Cool 2004 Honda Civic Check Engine Light Blinking References. You don't need to take your car to a mechanic and pay a diagnostic fee for your check engine light (cel) or malfunction indicator light (mil), or even buy an obdii scanner. Where do i go from here?

It’s going to create a shaking feeling, and the check engine light is sure. A misfire can be caused by numerous problems, many of which can also lead to a flashing check engine light. Web turn on the ignition, and then check if the check engine light (cel) is steady or flashing.