Don’t panic when the check engine light comes on, but get it diagnosed ASAP. It can be as simple as a loose gas cap. But a flashing check engine light can indicate a more serious problem such as an engine misfire that needs immediate attention from roadside assistance. If your car’s check engine light is on, it will keep a vehicle from passing its state emissions test and negatively impact fuel economy if ignored.
CarMD Garage is a free online resource that drivers can use to check for upcoming maintenance, technical service bulletins and common check engine problems by year, make, model and mileage.