Famous Astra G Check Engine Light References. You certainly can’t drive the opel astra with the check engine light flashing. It’s a warning light that alerts the driver about any type of engine problems.

Web the most common cause of flashing or blinking check engine light is a misfiring engine, which can be caused by several different engine issues. Turn the car off, both lights go out and five minutes after starting, same thing. My check engine light started to some on about a month ago usually after driving for about 30 minutes.