Glow plug blinking while you are driving your ford focus?

If the glow plug warning light is blinking while driving your Ford Focus, it typically indicates an issue with the engine's diesel injection system or the glow plug system itself. This could mean that the engine is misfiring, which may lead to reduced performance and increased emissions. It's advisable to stop driving the vehicle and have it diagnosed by a qualified mechanic to prevent potential damage. Ignoring this warning could lead to more serious engine problems.