Vehicles come with many different engine options. The size of the engine may vary, as well as the power that it provides and the components it is made out of. Because of all these different factors, engines make a variety of noises when they are in use. When a problem is occurring with the function of your engine, this can cause some unfamiliar noises to creep up. It isn’t necessary to immediately be concerned if you hear a one-off sound and it doesn’t return.