Light application of simple green or general degreaser followed by 212 degree steam with a brush attachment. Unit only holds less than 1 gallon of water which lasts 35-40min and evaporates off almost immediately so it is FAR from drenching an engine bay like a pressure washer. Not the best at cleaning large open areas (do these even exist?) but great for nooks/cracks/crevices and harness sections that are a PITA by hand.
"I love deadlines- I like the whooshing sound they make as they fly by"