You are out on a road trip and all of a sudden your car’s check engine light turns on. When you bring your car to mechanics Dallas TX, the technician tells you that you need to replace your air filter, change your oil, flush your transmission fluid, and replace your catalytic converter. Are all of these services necessary or does your auto shop taking advantage of you by selling parts you don’t need? Since you are not an expert in car repairs, you sign off on all repairs and choose to trust your mechanic. As you pull out your [...]