Incredible 2012 Mazda 3 Check Engine Light Flashing References. Web a flashing check engine light typically indicates a serious issue with your 3 and should not be ignored. The check engine light is displayed.

There is a problem with the variable valve timing system causing reduced acceleration performance. This light is referred to as the check engine light or malfunction indication lamp (mil). Web this is what might be causing your mazda3 check engine light to come on: