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.

Beneath your hood lies a vast array of pipes, hoses, turbochargers, intercoolers, radiators, wires, fuses, intakes, and other engine components. Although you’d think a closed hood would protect the ...

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 ...

Carbon deposits are a normal occurrence in an engine, but can build up over time, causing problems. Essentially, heat, pressure, and oxidation can transform unburned fuel into a black soot-like ...