Swedes are full of carbs, so it's them you should definitely be trying to avoid. You may have found that if you hadn't fried them you might have got a higher reading still. Oils can be good for you as they are carb free, contain vitamins, etc, and are a source of "fats" if you eat a low carb higher fat diet. But some vegetable oils contain high percentages of omega-6 which can be a bad thing in large quantities. So you may want investigate pros and cons of sunflower oil and make an informed decision whether to use it or not.
Robbity