Why does check engine light blink on a 1997 civic ex?

A blinking check engine light on a 1997 Civic EX typically indicates a serious issue, often related to the engine's ignition or fuel system, such as a misfire. This can lead to increased emissions and potential engine damage if not addressed promptly. It's advisable to stop driving the vehicle and diagnose the problem using an OBD-II scanner or by consulting a mechanic to prevent further damage.