Basic Pressure Washer Diagnostics
Pump fails to produce pressure, has erractic pressure, chattering, loss of pressure, low water volume
Possible Causes:
- Low pressure nozzle installed
- Water inlet is obstructed
- Inadequate water supply
- Inlet hose kinked or leaking
- Clogged hose inlet screen
- Water supply is over 100ºF (37.8ºC)
- High-pressure hose is obstructed, or leaks
- Spray gun leaks
- Nozzle is obstructed
- Pump is faulty
- Dirty fuel filter
Possible Solutions:
- Replace with high-pressure nozzle
- Clean inlet
- Provide adequate water flow
- Straighten inlet hose, patch leak
- Inspect and clean inlet hose screen
- Provide cooler water supply
- Clear obstructions or replace hose
- Replace spray gun
- Clean nozzle
- Call us an Authorized Online Service Facility
- Replace fuel filter
Detergent fails to mix with spray
Possible Causes:
- Detergent siphoning tube is not submerged
- Detergent siphoning tube/filter is obstructed or cracked
- High-pressure nozzle installed
Possible Solutions:
- Insert detergent siphoning tube into detergent
- Clean or replace filter/detergent siphoning tube
- Install low-pressure nozzle
Engine runs well at no-load, but bogs down when load is applied
Possible Causes:
- Engine speed too low
- Dirty fuel filter
Possible Solutions:
- Call us an Authorized Online Service Facility
- Replace fuel filter
Engine will not start, or starts and runs rough
Possible Causes:
- Dirty air filter
- Out of fuel
- Stale fuel
- Spark plug wire not connected to plug
- Bad spark plug
- Water in fuel
- Excessively rich fuel mixture
- Dirty fuel filter
Possible Solutions:
- Clean or replace air filter
- Fill fuel tank
- Replace with fresh fuel
- Connect wire to spark plug
- Replace spark plug
- Drain fuel tank, replace with fresh fuel
- Call us an Authorized Online Service Facility
- Replace fuel filter
Engine shuts down during operation
Possible Causes:
- Out of fuel
Possible Solutions:
- Fill fuel tank
Engine is Lacking Power
Possible Causes:
- Dirty air filter.
- Rusted seized up pump
Possible Solutions:
- Overloaded the Generator
- Call us an Authorized Online Service Facility.