Preheat the oven to 350 degrees F.Whisk the flour, baking soda and salt together in a bowl. Mix in the nuts, raisins and coconut. In another bowl, beat the oil, apple sauce and sugar together. Mix in the eggs and vanilla. Mix the dry ingredients into the wet. Carefully mix in the diced mango. Spoon into two, vegetable-sprayed loaf pans. Bake 45 to 50 minutes, or until a toothpick pulls out clean when inserted in the centre. Cool on a rack 10 minutes, then unmould.