Oven was overheating. Ordered temperature sensor unit.
Unplugged oven.
Removed 2 screws holding sensor inside the oven.
Removed 4 screws on rear cover of oven.
Unplugged old sensor and removed.
Inserted new sensor from inside oven and guided wire through insulation (took 2 people, one in oven and one on back side.)
Plugged in new sensor and replaced screws inside and outside oven.
Plugged in oven and tested.