How to remove bad smell from fridge and refrigerator? How to remove bad smell of food from fridge and refrigerator?
Can you access the evaporator coils of the fridge, and where the condensate goes?  A frequent problem is that these are covered up or difficult to access.  If stuff gets spilled or otherwise get into these inaccessible areas, it can take a very long time to dissipate.  Get out your screwdriver.