Do you simply take it to any mechanic who lives closest to you? Most people lose a lot of money because they use dishonest mechanics who will make money off you whether there's a problem with your car or not. A few actually change you new Car Parts with old ones to ensure that you do more business with them in future. How should you choose the right mechanic? Ask your friends to recommend the best. That way you can't go wrong and you won't get ripped off either.