In a large skillet, brown pork chops in oil on both sides. Combine the water, brown sugar, onion, ketchup, bouillon and garlic; add to skillet. Bring to a boil. Reduce heat; cover and simmer for 15-20 minutes or until meat juices run clear. , Remove chops and keep warm. Combine flour and cold water until smooth; stir into skillet. Bring to a boil; cook and stir for 1-2 minutes or until thickened. Remove from the heat; stir in sour cream. Serve with pork chops.