We may receive a commission on purchases made from links. We can't blame you for selecting the DIY route in cleaning the engine bay. Professional work can cost $100 to $400, which is quite a chunk of ...

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.

Engine bays are easy to ignore for many people. If you're not a mechanic, and you don't perform your own maintenance or repair work, you may never pop the hood to see the dirt and grime lurking ...