Pressure Washer Losing Pressure? Here’s How to Fix It
If your pressure washer suddenly loses pressure, cleaning becomes slow and ineffective. Fortunately, most pressure problems are caused by simple issues that can be fixed without professional repairs.
1. Check the Water Supply
Insufficient water supply is the most common reason for pressure loss.
Ensure:
- Water faucet is fully open.
- Garden hose isn’t kinked.
- Water flow meets the manufacturer’s requirements.
2. Remove Air from the Pump
Air trapped inside the pump reduces water pressure.
To remove trapped air:
- Connect the water supply.
- Leave the machine turned OFF.
- Hold the trigger until water flows steadily.
- Start the pressure washer.
3. Clean the Nozzle
Small particles can clog the nozzle.
Remove the nozzle and clean it using:
- Nozzle cleaning tool
- Small wire
- Clean water
A blocked nozzle significantly reduces cleaning power.
4. Inspect the Hose
Look for:
- Leaks
- Kinks
- Cracks
- Loose fittings
Replace damaged hoses immediately.
5. Pump Problems
If all other components appear normal, the pump may be worn or damaged.
Common signs include:
- Pulsating pressure
- Water leaks
- Loud noises
- Low pressure despite clean nozzles
In some cases, replacing pump seals or servicing the pump may be necessary.
Prevent Pressure Loss
- Use clean water.
- Flush the system after use.
- Clean filters regularly.
- Store the machine indoors.
- Replace worn accessories.
Conclusion
Pressure loss is often caused by clogged nozzles, restricted water flow, or air trapped in the pump. Regular inspection and maintenance can quickly restore your pressure washer’s performance and prevent future issues.
