Cafe Rio Pork Enchiladas

1 pork tenderloin (4 lbs.)
1 can Dr. Pepper
1 bottle red La Victoria taco sauce (10-12 oz.)
1 cup brown sugar
1 T. Cumin

Put pork in crockpot and cover halfway with water. Cook on low for 5 hours. Drain water and add the other ingredients. Cook for 2-3 more hours on low. To serve: warm tortillas, put pork in, sprinkle with extra shredded cheese, rice, beans, lettuce, salsa, etc.