Performa Side-by-side Refrigerators Drip Pan I Have A Funny Smell Coming From Under My Maytag Performa Refrigerator Side By Side.?

I have a funny smell coming from under my Maytag Performa Refrigerator side by side.? - performa side-by-side refrigerators drip pan

My husband and I got out of the refrigerator and clean behind it a few times and still can not find the source of the smell. One feels from behind, but it comes from the front gate there is a way of removing the drip tray, because the grill screwed into the bottom of the refrigerator? Please help because my house is made of that horrible smell!