Symptom guide
Pressure Washer Not Spraying Water
If no water exits the nozzle at all, the cause is almost always before the pump: a closed spigot, a kinked or crushed supply hose, a clogged external inlet screen, air trapped in the supply line, or a removable nozzle blocked solid. If water does flow but never builds pressure, that is a different problem — use the water-flows-but-no-pressure guide instead.
Safe diagnostic flow for no water output
Work through these external checks in order. Only observe parts the manufacturer designates as user-serviceable, and always follow your exact operator manual for access, flow, and priming steps. The machine must be off, unplugged or shut off, and pressure released before you remove any accessory.
- Open the water source fully. Confirm the spigot is open all the way and the garden hose is not kinked, crushed, or leaking. A restricted source is the single most common reason no water reaches the washer.
- Test the supply hose alone. Disconnect the garden hose from the pressure washer inlet and run it into a bucket. If water does not flow freely from the hose alone, the supply or the hose is the problem — not the pressure washer.
- Inspect the external inlet screen. With the machine off and pressure released per the manual, remove the external inlet screen. Clean or replace it if it is clogged or damaged. Never reach past the screen into the pump.
- Bleed air from the supply path. Air trapped between the spigot and the pump can block output. Follow the manual's priming or air-bleed procedure exactly, with the machine off and pressure released.
- Inspect the removable nozzle. Remove the nozzle per the manual and check for a solid blockage. Clean or replace it only as the manual allows, matching the exact model and specification.
When to stop and service
Stop using the machine immediately and contact a qualified service provider if you observe any of the conditions below. Water plus damaged electrical equipment can cause fatal shock, and a damaged high-pressure path can fail under pressure. Never check for leaks by touch.
- Damaged, bulging, or leaking high-pressure hose
- Leaking spray gun or a visible leak at the pump area
- Smoke, burning smell, or severe vibration
- Repeated breaker or GFCI trip (electric models)
- Fuel leak or abnormal gas-engine behavior (gas models)
- Damaged power cord or visible water inside the electrical housing
This guide never covers pump, unloader, bypass-valve, engine, fuel-system, or energized electrical disassembly. If the external checks above are clear and no water sprays, the cause is likely internal — consult your exact manual or a qualified service provider.
Frequently asked questions
Why is no water coming out of my pressure washer?
The most common consumer-safe causes are a closed or restricted water source, a kinked supply hose, a clogged external inlet screen, air trapped in the supply line, or a removable nozzle blocked solid. Work through the external checks above in order, with the machine off and pressure released per the manual.
How do I know if the external inlet screen is clogged?
With the machine off, unplugged or shut off, and pressure released per the manual, remove the external inlet screen and inspect it. If it is visibly clogged or damaged, clean or replace it with the manufacturer-designated part only. Never reach past the screen into the pump.
Could air in the hose stop water from spraying?
Yes. Air trapped in the supply path can prevent water from reaching the pump. Follow your exact operator manual's priming or air-bleed procedure, with the machine off and pressure released.
When should I stop and call a service provider?
Stop immediately if you see a damaged high-pressure hose, a leaking spray gun, a leak at the pump area, smoke, a burning smell, severe vibration, a repeated breaker or GFCI trip, a fuel leak, or abnormal engine behavior. These are not safe to keep using.
Does this guide cover pump or unloader repair?
No. This guide never covers pump, unloader, bypass-valve, engine, fuel-system, or energized electrical disassembly. If the external checks are clear and no water sprays, consult your exact manual or a qualified service provider.