I've washed engines at a local car wash that has a special setting for engines and rims. It is much less powerful than a normal setting. If I were to do it at home I would make sure to use a tip that greatly reduces the pressure and I always stay away from the air filteri got a bunch of mud in my engine area that kicked up from the wheel well. Is it ok to pressure wash the engine area?
What he says, also, cover the spark plug end of the wiresI've washed engines at a local car wash that has a special setting for engines and rims. It is much less powerful than a normal setting. If I were to do it at home I would make sure to use a tip that greatly reduces the pressure and I always stay away from the air filter