Franchot M South Plainfield , NJ September 13, 2016 Appliance: General Electric Refrigerator PFS22SISBSS Ge Refrigerator Pfs22sisbss: The fridge temperature was flutuating so it was recommended that i change the temperature sensor so with your timely advice i went ahead and replaced it the results were great so everything is working. How to replace Refrigerator Temperature Sensor. I simply followed you instructions by looking up into the roof of my bottom door freezer model pfs22sisbss.I removed the cover and there was temperature sensor which I removed by using the tool which was recommended.I subsequently followed your video to complete the job .Thank you very much for saving myself some extra cash. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes