Basic Pressure Washer Diagnostics

 

Pump fails to produce pressure, has erractic pressure, chattering, loss of pressure, low water volume

Possible Causes:

  1. Low pressure nozzle installed
  2. Water inlet is obstructed
  3. Inadequate water supply
  4. Inlet hose kinked or leaking
  5. Clogged hose inlet screen
  6. Water supply is over 100ºF (37.8ºC)
  7. High-pressure hose is obstructed, or leaks
  8. Spray gun leaks
  9. Nozzle is obstructed
  10. Pump is faulty
  11. Dirty fuel filter

Possible Solutions:

  1. Replace with high-pressure nozzle
  2. Clean inlet
  3. Provide adequate water flow
  4. Straighten inlet hose, patch leak
  5. Inspect and clean inlet hose screen
  6. Provide cooler water supply
  7. Clear obstructions or replace hose
  8. Replace spray gun
  9. Clean nozzle
  10. Call us an Authorized Online Service Facility
  11. Replace fuel filter

Detergent fails to mix with spray

Possible Causes:

  1. Detergent siphoning tube is not submerged
  2. Detergent siphoning tube/filter is obstructed or cracked
  3. High-pressure nozzle installed

Possible Solutions:

  1. Insert detergent siphoning tube into detergent
  2. Clean or replace filter/detergent siphoning tube
  3. Install low-pressure nozzle

Engine runs well at no-load, but bogs down when load is applied

Possible Causes:

  1. Engine speed too low
  2. Dirty fuel filter

Possible Solutions:

  1. Call us an Authorized Online Service Facility
  2. Replace fuel filter

Engine will not start, or starts and runs rough

Possible Causes:

  1. Dirty air filter
  2. Out of fuel
  3. Stale fuel
  4. Spark plug wire not connected to plug
  5. Bad spark plug
  6. Water in fuel
  7. Excessively rich fuel mixture
  8. Dirty fuel filter

Possible Solutions:

  1. Clean or replace air filter
  2. Fill fuel tank
  3. Replace with fresh fuel
  4. Connect wire to spark plug
  5. Replace spark plug
  6. Drain fuel tank, replace with fresh fuel
  7. Call us an Authorized Online Service Facility
  8. Replace fuel filter

Engine shuts down during operation

Possible Causes:

  1. Out of fuel

Possible Solutions:

  1. Fill fuel tank

Engine is Lacking Power

Possible Causes:

  1. Dirty air filter.
  2. Rusted seized up pump

Possible Solutions:

  1. Overloaded the Generator
  2. Call us an Authorized Online Service Facility.