Robert H Cheney , WA August 13, 2016 Appliance: Whirlpool Gas Range SF387PEYQ1 Whirlpool Range Sf387peyq1: Oven was slow to heat. How to replace Oven Igniter, Flat Style. Replaced igniter 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes