Flashing check engine light
It is telling you to have ECU scanned the car has and issue.
When the check engine light is flashing it means you have a misfire. The most common cause on the Protege5's is coil pack, sparkplugs or plug wires. Fortunately, all of these are very easy and quick to change on this car.
Search Mazda Protege5 Questions
Mazda Protege5 Experts