When their cars begin to make new and seemingly strange noises, the solution for many people is to turn the volume on their radio up. If I do not hear it, we sometimes think, maybe it will go away on its own. Psychologists will tell you that this form of denial is common among all of us. However, this type of denial can have consequences. The consequences of denying the presence of a problem with your car are unknown until you have it diagnosed by a competent and trusted auto repair shop.