Valdemar N La Habra , CA September 06, 2022 Appliance: Maytag Gas Dryer DG409 Maytag Dryer Dg409: The gas would not come back on once it shut off. How to replace Flame Sensor. I replaced the Coil Kit for the gas valve. This fixed the problem. I'll just save this Flame Sensor in case I might need it later. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes