Richard T Defiance , OH April 05, 2017 Appliance: General Electric Gas Range LGB356GEV3WH Ge Range Lgb356gev3wh: I turned on my oven to preheat and came back several minutes later to find it still cold. How to replace Gas Range Oven Igniter. I opened the oven door to check for the bright light of the glowing igniter and it was totally dark. I knew at that point the igniter had failed and I needed a new one. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes