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 ...

To clean, simply mist the engine bay with your spray, let it sit for a few minutes, then rinse. If your engine bay is especially dirty, you can agitate the grime with a rag, or you can even use a ...

It's relatively fine for car engines to get wet. What's not okay is for water to get inside the engine or for electrical parts to soak in liquid, like the ignition coils, spark plugs, distributor ...