If this does not happen there is an internal pump issue.
Pressure washer low water pressure.
This happens because cavities leave the area of low pressure and pass into the area of higher pressure.
With the high pressure hose removed from the pump attach the garden hose and turn on water.
Water enters the machine at low pressure and a gas engine or electric motor pumps water through a hose and the spray nozzle at higher pressure.
All you need is enough water pressure to get water to the pressure washer and then the pressure washer pump takes over from there.
Unless you are trying to strip paint avoid using a pressure washer on anything painted.
Check for any kinks or blockages in your hose.
Many pressure washer manufacturers recommend using a diameter hose instead of the much more common 5 8 diameter hose to supply water to the pressure washer.
Psi ratings range from 1300 psi to 2800 psi and higher for high.
Hot water pressure washers might be exactly what you need.
Powryte elite electric power washer 3800psi 2 6gpm cold water washer with foam cannon and 4 quick connect spray nozzles pressure washer with 35 ft power cord green 5 0 out of 5 stars 2 35.
Water will flow through the pump now turn on the engine.
Pressure washer power pressure washers come in light medium heavy and even commercial duty versions to meet your needs with pounds per square inch psi and gallons per minute gpm determining cleaning power.
The water flow should increase in pressure and length from where it exits the pump.
For heavy duty jobs a garden hose can t handle pressure washers deliver the efficient cleaning power you need.
Be careful when using the more powerful pressure washers they can spray water concentrated enough to cause injuries.
Too much pressure from a power washer could create an unwanted hole in vinyl siding mark concrete or splinter wood.
A pressure washer creates its own pressure.
Most washers require a continuous water supply of about 4l per minute to operate normally.