Pressure washers are designed to make outdoor cleaning faster and more effective, but like any outdoor power equipment, they can occasionally develop performance issues over time.
In many cases, smaller problems can be solved with basic maintenance or cleaning. However, ongoing issues may indicate that servicing or repairs are needed.
In this guide, we’ll explain some of the most common pressure washer problems and what may cause them.
Low Water Pressure
One of the most common pressure washer complaints is reduced cleaning power or weak pressure.
This can sometimes be caused by:
- blocked nozzles
- kinked hoses
- restricted water supply
- dirty filters
- worn components
- air entering the system
Before assuming the machine itself is faulty, it is important to check the water supply and hose connections carefully.
Pulsing or Surging Pressure
If the pressure repeatedly rises and falls during use, this is often known as pulsing or surging.
Possible causes include:
- air trapped in the system
- blocked nozzles
- water supply issues
- pump-related problems
Consistent pulsing should not be ignored, particularly if cleaning performance becomes unreliable.
Pressure Washer Will Not Start
Starting problems may sometimes be linked to:
- electrical supply issues
- extension lead problems
- faulty switches
- motor issues
- damaged cables
For petrol-powered equipment, fuel-related issues may also contribute, but electric pressure washers can still develop electrical or component faults over time.
Poor Foam Performance
Some users notice reduced foam output when using detergent systems or foam sprayers.
This can sometimes be caused by:
- blocked detergent lines
- incorrect detergent use
- nozzle restrictions
- low water flow
Using suitable detergents and keeping nozzles clean can help improve performance.
Water Leaks
Small leaks can gradually develop around:
- hose connections
- trigger guns
- fittings
- seals
- internal components
Ignoring leaks can sometimes lead to larger performance problems over time.
If leaking becomes significant or persistent, inspection may be worthwhile.
Pressure Washer Keeps Shutting Off
Pressure washers may occasionally stop unexpectedly due to:
- overheating
- electrical protection systems
- power supply interruptions
- internal faults
Repeated shutdowns should be investigated to help prevent unnecessary wear or damage.
Frozen Water Damage
One of the most common causes of pressure washer damage is incorrect winter storage.
If water remains inside the machine during freezing conditions, internal components can become damaged.
Proper winter storage is important for protecting:
- pumps
- hoses
- seals
- internal water systems
Regular Maintenance Helps Extend Lifespan
Routine maintenance can help improve:
- cleaning performance
- reliability
- water pressure consistency
- overall equipment lifespan
Regular checks may include:
- cleaning filters
- inspecting hoses
- checking nozzles
- storing the machine correctly
- inspecting connections for wear
This is especially important for pressure washers used regularly throughout the year.
Husqvarna Pressure Washers
At McIntyre Repairs, we stock a range of Husqvarna pressure washers suitable for domestic and heavy-duty outdoor cleaning.
Our range includes:
- Husqvarna PW 125
- Husqvarna PW 235R
- Husqvarna PW 360
- Husqvarna PW 480
Whether you need a compact cleaner for occasional household use or a heavy-duty machine for larger cleaning tasks, our team can help you choose the right option.
Need Your Pressure Washer Serviced?
At McIntyre Repairs, we provide professional servicing, diagnostics and repairs for Husqvarna outdoor power equipment.
Our workshop team can assist with:
- diagnostics
- servicing
- hose and fitting inspection
- pressure issues
- maintenance checks
- replacement parts
Book In With Us Today
Please fill in the form with your contact details and we will be in touch as soon as possible regarding your service request.
Browse our Pressure Washers collection to explore the latest Husqvarna pressure washers for domestic and heavy-duty cleaning tasks.
