April 19, 2023

Pressure washer symptoms

Cleaning your deck is a pain when your pressure washer won't spray, only produces weak spray or water sprays out the pressure relief valve. Follow the DIY troubleshooting steps for symptoms you're encountering with your pressure washer so you can get back to your cleaning chores. Order the replacement parts you need by entering your pressure washer model number in the search bar. Follow the steps in our pressure washer repair guides to install the parts you need and get your pressure washer running again.

gas pressure washer

Symptoms common to all gas pressure washers

Choose a symptom to see related pressure washer repairs.

April 19, 2023

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

April 19, 2023

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

April 19, 2023

Main causes: broken recoil spring, damaged recoil starter…

April 19, 2023

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

April 19, 2023

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

April 19, 2023

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

April 19, 2023

Main causes: faulty unloader valve, bad pressure regulator…

April 19, 2023

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

April 19, 2023

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

January 10, 2024

Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

Choosing the correct spray tip for a pressure washer

Choosing the correct spray tip for a pressure washer

Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.…

Solving pressure washer problems

Solving pressure washer problems

Learn how to solve simple pressure washer problems.…

Pressure washer common questions

Pressure washer common questions

See what you can learn from the questions that people most often ask our experts about their pressure washers.…