Posted on 9/26/2025
Many drivers have seen the check engine light appear on the dashboard at some point. When that light is solid, it typically signals a minor issue such as a loose gas cap or an aging sensor. A flashing check engine light, on the other hand, is far more serious. It usually means something is actively damaging your engine while you drive. The difference between a steady light and a blinking one is more than visual. It’s a warning that you should not ignore. What a Flashing Check Engine Light Often Means The most common cause of a blinking check engine light is an engine misfire. This happens when fuel fails to ignite properly in one or more cylinders. That unburned fuel travels through the exhaust system, where it can overheat and damage the catalytic converter. This component is expensive to replace and plays a key role in controlling emissions. A flashing light ... read more