The answer to 'pressure washer greasy' is that a greasy pressure washer is usually caused by oil or grease buildup in the machine. This can happen if the pressure washer is used to clean oily or greasy surfaces, or if the machine is not properly cleaned and maintained after each use.
Some common symptoms of a greasy pressure washer include the machine leaving oily or greasy residue on the surfaces it cleans, decreased cleaning power, and the pressure washer nozzle becoming clogged. To solve this issue, you'll need to thoroughly clean the pressure washer, including the pump, hose, and nozzle. This may require disassembling parts of the machine and using a degreasing solution. If the problem persists, you may need to have the pressure washer serviced by a professional.