CARS.COM — A clean engine compartment makes a used car look newer and better maintained. Some shops that perform engine cleaning services claim a clean engine even runs a little cooler because ...

We may receive a commission on purchases made from links. The engine bay under the hood is one of the dirtiest parts of a daily-driven car. But it's also one of the most neglected places to clean.

We may receive a commission on purchases made from links. Nobody wants a vehicle that succumbs to the terrible effects of wear and tear. When you have something that is utilizing a tremendous amount ...