Normal car wash soap and even some all-purpose cleaners ... by folks who often clean and show-off their engines, but cleaning your engine bay isn’t just about looking good.

The wrong tools can easily scratch paint surfaces. Car wash liquid. Dedicated car cleaners are relatively inexpensive (about $10). Just keep away from dish soap and laundry detergent; they're too ...

Using regular car wash soap makes the entire car-cleaning process take longer, but pros know this is a good thing. But if time is a concern, consider a carwash soap with additives.