Quote Originally Posted by KDM guy
Before you do anything that involves water to your engine make sure you let your car cool down and cover your electrical components with plastic bags or somthing simular. Make sure the main parts for sure, like your altenator and coil packs, also make sure your plugs are fully pressed down and if you have an intake make sure that is also covered. Spray some degreaser in your bay a lil elbow grease and use the pressure washer on the a delicate setting just to get the degreaser off.

Always!

I only purple power then pressure wash after car has sat over night.