James P Lorain , OH February 21, 2016 Appliance: Frigidaire Gas Range MPF300PBWD Frigidaire Range Mpf300pbwd: Stove & oven knob had to be replaced. How to replace Knob. Replaced them with new ones - it took less than 1 minute 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes