Tom R Naperville , IL March 21, 2022 Appliance: General Electric Gas Wall Oven JGRS14BEW3BB Ge Oven Jgrs14bew3bb: F3 error code on our GE oven. How to replace Oven Temperature Sensor. I replaced the oven sensor. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes