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Ryobi pressure washer troubleshooting: With helpful tips

Individuals in many households use pressure washers to clean their porches and cars. Ryobi is a company that specializes in making excellent gas and electric pressure washers. Sometimes, these machines can malfunction, but these problems can often be fixed using our troubleshooting tips.

Ryobi pressure washer troubleshooting:

The most common issues with Ryobi power washers are pressure, power, and water leakage problems. These are mainly caused by faulty switches, a faulty unloading valve, dirty air filters, or clogged pressure nozzles. Some of these problems can be fixed without much technical knowledge. Others are more complex and require some tools.

This article will answer users’ common questions about Ryobi pressure washers. And problems they face while using their machines. With our tips, you can diagnose and fix many issues quickly.

Contents

How to Troubleshoot a Ryobi Pressure Washer

Use the following table to diagnose and troubleshoot a Ryobi pressure washer. There is a separate part for Electric models and gas models, and we start with problems that apply to both Gas and Electric Models:

● Troubleshoot a Ryobi Gas and Electric Pressure Washer:

Problem
Cause
Solution
The pressure washer not producing high-pressure
Hose with small diameter
Replace your hose with a 1″ (25mm) or 5/8″ (16mm) hose
Restricted water supply to the washer
Remove the matter obstructing the tube or replace it if it’s damaged.
Inadequate water supply
Remove the matter that is obstructing the tube or replace the tube if it’s damaged.
Clogged intake filter
Remove the filter and rinse it with warm water
Air in the pump
Ensure that the hose and fittings are airtight. Shut off the washer and squeeze the trigger until water flows steadily from the spray tip
Ensure the water source is unobstructed and fully turned on.
Install the suction tube and detergent bottle correctly
Detergent too thick
Dilute the thick detergent by adding water
Clogged suction tube
Remove the matter that is obstructing the tube or replace the tube if it’s damaged
Obstructed spray tip
Remove the debris with a needle
 
No pressure tip on the wand
Install a suitable pressure tip at the end of the wand
If your model has a belt, it can be loose.
Tighten or replace the belt.
Pulsing pressure washer (output pressure varies high and low)
Inadequate water supply
Ensure that the water source is fully on and check the hose for kinks and blockage
Obstructed spray tip
Remove the debris with a needle
Pump sucking air
Ensure that the hose and fittings are airtight. Shut off the washer and squeeze the trigger until water flows steadily from the spray tip
Clogged intake filter
Remove the filter and rinse it with warm water
Calcified hose, tip, or trigger
Clean the hose, pressure tip, or trigger with vinegar or a cleaner designed for this purpose
Cause
Solution
Noisy Pump
Air in the pump
Ensure that the hose and fittings are airtight. Shut off the washer and squeeze the trigger until water flows steadily from the spray tip
Clogged inlet filter
Remove the filter and rinse it with warm water
Pump leaking water
Damaged or worn water seals
Replace the seals with new ones or call a professional
Loose fittings
Ensure that all the fitting are tight
Erratic water pressure, changing up and down
Unloader valve
Check and clean the unloader valve. If in bad shape, replace it
No output pressure. Or motor stops when using the trigger (electric models)
Unloader valve
Check and clean the unloader valve. If in bad shape, replace it
Problem
Cause
Solution
Leaks in the spray wand, spray tip or extension
Damaged or broken O-rings or plastic insert
Replace the worn O-rings or call a professional
Pressure washer pump dripping oil
Worn or damaged oil seals
Inspect the oil seals and replace if worn
No water from the washer outlet
The water supply is off
Turn the water supply ON
Kink in the hose or faucet
Remove any kinks and debris from the hose or water lines

● Troubleshoot a Ryobi Gas Pressure Washer:

Problem
Cause
Solution
Motor won’t start
Check the battery
Check if the battery is charged correctly. Charge or replace when in bad condition. Examine the battery terminals for a proper connection. Clean if needed.
 
Check the fuel filter
Clean the fuel filter if dirty. In that case, check the gas tank, as this is the most likely culprit.
Check the gas supply
Check the fuel level and add if needed. Ensure that the gas can flow to the carburetor. Remove any blockage.
Check the Air-filter
Clean the air filter. Replace when it is in bad condition, or it is a paper air filter.
Check the carburetor
Remove and clean the carburetor with some carb cleaner. It is also possible to clean it without removing it.
Fuel gap blocked
Check that the hole in the fuel cap is open. Clean if needed.
Engine is stalling, or starts and stops
Check the carburetor
Remove and clean the carburetor with some carb cleaner. It is also possible to clean it without removing it.
Air filter
Suppose you have old gas, more than a few months old. It can turn bad. Drain and replace the gas. Next time, add a fuel stabilizer.
Check for bad gas
Suppose you have old gas, more than a few months old. It can turn bad. Drain and replace the gas. Next time add a fuel stabilizer.

● Troubleshoot a Ryobi Electric Pressure Washer:

Problem
Cause
Solution
Motor won’t start
The power switch is in the “OFF” or “0”  state
Turn the power switch “ON” or “1”
Cord not plugged
Plugin the power cord
Damaged, too long, or improper extension cord
Replace the existing cord with a 25′ (7.6m) 14 AWG cord or a 50′ (15m) 12 AWG cord
Inadequate power from the electrical outlet
Plug the cord in a different outlet
The pressure washer circuit breaker tripped
Plug the cord into a different outlet
Motor buzzes but fails to run
Loss in voltage due to the extension cord
Plug the unit directly into the outlet without an extension cord. If the problem isn’t solved, replace the extension cord
Low supply voltage
Ensure that only the pressure washer runs on that circuit at the time of use
Residual pressure in the system
Shut off the washer and squeeze the trigger to release pressure
Residual friction among the internal components
Cut the water supply and turn the machine ON for 2 to 3 seconds. Try it a couple of times or until the motor starts. Don’t let the machine run dry for more than 3 seconds.
Unit not used for long periods
Call a professional

Troubleshooting – Fix: Ryobi Pressure Washer Not Working

Some common problems with Ryobi gas or electric pressure washers include pressure issues, power issues, not turning on, the pressure washer shutting off, and water leaking from the pump. A clogged nozzle, air bubbles from the water hose, a dirty air filter, or a faulty unloader valve usually cause pressure issues. If the pressure washer doesn’t dispense soap, it could be due to a problem with the soap injector kit.

● Power Issues

Power problems like the pressure washer cutting off are usually due to faults in the GFCI plug, the pressure valve switch, or the unloader valve. These issues can occur in both an electric or gas pressure washer. If the pressure washer keeps shutting off, it could be because specific components are damaged. It’s essential to regularly check all parts of the pressure washer to ensure they are in good working condition.

Over time, pressure washers have evolved to become more user-centric. Notably, brands like Ryobi have revolutionized their designs to be more compact and lightweight while enhancing motor efficiency. This transformation signifies the industry’s commitment to innovation and user convenience.

– Ryobi Electric Pressure Washer not Turning on: Bad GFCI Plug

Let’s discuss the most apparent problem preventing your Ryobi electric pressure washer from turning on. A faulty GFCI plug. All Ryobi electric pressure washers come with a GFCI plug with a green LED indicator that turns on when the GFCI is plugged in. If the green light doesn’t turn on, it indicates something is not okay.

Solution:

If, after plugging in the GFCI, the green LED doesn’t work, first check that there is power on the wall socket. Use a lamp or another machine to prevent this.

If there is power, it can mean something is not ok with the GFCI. When the GFCI is not working, the pressure washer will not turn on. The quick and easy solution is to replace the GFCI plug with a new one.

Replacing the plug is not difficult. Unscrew four back screws, and remove the wires from the faulty GFCI plug. Attach them correctly to the new one, and close it. Check if the pressure washer is working.

 If the Ryobi electric pressure washer is still not working, the GFCI is not the problem. We have to look further. Continue with the next check.

– Ryobi Electric Pressure Washer not Turning on: Faulty Pressure Valve Switch

One of the best features of Ryobi pressure washers is that they only turn on when the pressure washer trigger is pressed. As soon as you release the trigger, the washer turns off. This is done with a switch connected to the power washer’s pressure valve. As soon as the trigger is pressed, the pressure valve signals the switch, turning the machine on.  

Solution:

If the pressure valve switch malfunctions, no signal is sent to turn the pressure washer on the main power switch. Disassemble the front cover of the pressure washer (a couple of screws secures that). Then, check for loose or dirty connections. If you notice something clean, connect them. If you do not see any problematic connections, replacing the pressure valve switch is the only solution.

– Ryobi Gas Pressure Washer Power issues: Dirty air filter

A gas engine needs both fuel and air to work. If the air filter of your pressure washer is filthy, it can mean that no or not enough air can enter the cylinders for proper combustion.

Solution:

Open the air filter cover and check if the air filter is dirty. If it is a paper air filter, you have to replace it. You can clean and wash other types of air filters. Ensure that it is dry before putting it back. Check if the engine starts correctly.

– Ryobi Gas Pressure Washer Power issues: Clogged Carburetor

If the air filter is fine, there can be a carburetor issue. In the carburetor, the air and gas are mixed. The carburetor can be clogged if you have used bad or dirty gas, preventing the pressure washer from starting. Never leave gas in the tank for more than 1 or 2 months. Gas can go bad quickly and clog the carburetor. If you plan not to use your machine for some time, add some fuel stabilizers.

Solution:

Disassemble the carburetor. Clean it with some carburetor cleaner. Assemble it and check if the Ryobi gas pressure washer will start again.

● Washer Keeps Shutting Off:

This problem is caused due to faulty unloader valves and dirty air filters.

– Ryobi Electric and Gas Pressure Washers: Damaged Unloader Valve

The unloader valve is responsible for maintaining the pressure of the pump. If it is damaged, the pressure gets built up inside the pump. And the washer has to cut off power to save the pump from getting damaged.

A damaged unloader valve often results in water leaks and inconsistent behavior, like a flow reduction through the nozzle or a sudden smooth pressure loss.

Solution:

You can try to disassemble the unloader valve and clean it. But in most cases, you need to replace it.

– Ryobi Gas Pressure Washers: Dirty Air Filter

If the unloader valve is okay, dirty air filters can cause problems with gas-powered pressure washers.

Air filters in gas pressure washers protect the engine, especially the carburetor, from dust and dirt. A dirty filter can affect the pressure washer’s performance and cause the engine to shut out.

Solution:

Open the air filter cover and check if the air filter is dirty. If it is a paper air filter, you have to replace it. You can clean and wash other types of air filters. Ensure that it is dry before putting it back. Check if the engine starts correctly.

– Ryobi Gas Pressure Washer: Clogged Carburetor

A dirty carburetor can also make the gas pressure washer turn on but turn off quickly. Or it turns off when it needs more power from the engine. The carburetor can be clogged such that it can still start but does not give enough air/fuel mixture to keep it running.

Solution:

Disassemble the carburetor. Clean it with some carburetor cleaner. Assemble it and check if the Ryobi gas pressure washer will start and keep running.

Safety should always be your top priority when troubleshooting your Ryobi pressure washer. Always equip yourself with protective gear such as goggles and gloves. Remember, never direct the pressure washer at yourself or others, as this can lead to serious injuries.

● Pressure Issues:

Low or no pressure is another problem your Ryobi pressure washer can face. This can be because of clogged nozzles, trapped air bubbles, or a faulty unloader valve.

– Ryobi Gas and Electrically Pressure Washers: Clogged Nozzles

A clogged pressure nozzle can kill the pressure. You can check with another nozzle if there is any difference.

Solution:

If the nozzle is dirty, it needs to be cleaned. Poke and rinse the holes to clean them.

– Ryobi Gas and Electrically Pressure Washers: Trapped Air Bubbles

If air is present in the hose that connects the faucet to the pressure washer. Or there is a problem with the pressure washer pump. The pump can suck with air bubbles. These air bubbles can lead to pressure problems.

Solution:

Before connecting the hose to the pressure washer, leave it running so only water comes out. Then, connect it to the pressure washer. When connected, use the trigger without any nozzle to release all the trapped air inside. If there is a problem with the pump, and it sucks in air, you need to replace it.

– Ryobi Gas and Electrically Pressure Washers: Faulty Unloader Valve

As discussed before, the unloader valve is responsible for maintaining pressure. If damaged, it can lead to inconsistent pressure or no pressure.

Solution:

You can try to disassemble the unloader valve and clean it. But in most cases, you need to replace it.

● Water Leakage Issues:

Causes for water leaks depends on the area from which the water leaks. For example, if the water leaks from the garden hose connection or pressure gun. Check the link and change a broken rubber washer. If water leaks from the pump, broken seals, cracks in a washer, or a loose pump connection might be causing the leakage problems.

Why does my Ryobi electric pressure washer keep cutting out?

If the Ryobi pressure keeps cutting out on its own, this can be a problem that is caused either due to a faulty electrical connection or a defective unloading valve. This will cause the pump to shut itself off.

If the pressure washer keeps cutting off while you are using the pump, two problems can cause this:

● Faulty Connection:

The most obvious reason is that there is a power supply problem. This can be due to a long extension cord or faulty wall socket. A faulty or inconsistent power supply can cause the GFCI plug of the pressure washer to trigger and cut off the power supply to the washer. Check that the voltage is not fluctuating before plugging in the washer. Try a different wall socket. If you use a long extension cord, try the pressure washer without it.

● Faulty Unloading Valve:

Another common reason the pressure washer, especially a gas power model, keeps cutting out is a problem with the unloader valve. The Unloader valve, also known as the injector, is used to release the excessive pressure inside the pressure washer. This creates a path for the water when the trigger is not pushed, and no water flows out the nozzle. It ensures the movement of water and releases pressure buildup inside the washer.

Suppose the unloading valve is not working correctly. In that case, the buildup pressure inside the washer can trigger the pressure switch, and the pressure washer will turn off. Check and fix the unloader valve. It will probably need to be replaced if it is not working correctly. This is where solutions work to ensure the proper functioning of your pressure washer.

Unclog a Ryobi pressure washer: Solution

Several parts of your Ryobi pressure washer can get clogged. The pressure nozzle of the washer can get clogged over time with small particles from the water. Clean the nozzle by poking and rinse the holes. The air filter from a Ryobi gas model can get clogged due to dust. Remove and clean it, or replace it in case of a paper air filter. Air bubbles can cause a clogging in the pump. Release this air by using the pressure washer without a nozzle.

● Unclog a Ryobi pressure washer: Air Bubbles from Water Hose:

When you connect the water hose to your pressure washer with the water turned off, there will be a lot of air in the hose. The longer the hose, the more air there will be. When the pressure washer is turned on, this air is sucked into the pressure washer’s pump. This can cause problems with the pump; it looks like something is clogged inside the pressure washer nozzle. It is preventing the water from flowing correctly.

There are two potential solutions:

– Releasing the Air Before Attaching the Hose:

You can open your water valve and let the water run for some time (depending on your hose length). This will allow all the air out of your hose. When only water flows out, you can attach the hose to the pressure washer.

– Releasing the Pressure Through the Pump:

The problem with the above solution is that when you turn off the hose to attach it to the pressure washer and then turn it back on, some air will still accumulate inside the pump. This can cause the same pressure problem. I recommend attaching the hose to the pressure washer and using the pressure gun without connecting the pressure nozzle. This will release all the air from the pump (this takes a short time). When you feel the air has been released, you can attach the pressure nozzle to the gun and use the washer.

● Unclog a Dirty or Clogged Ryobi Pressure Washer Nozzle:

Sometimes, a clogged nozzle can cause inconsistent pressure problems. This problem can be resolved by cleaning the pressure nozzle. First, check with a replacement nozzle if it solved the problem. If this solves the problem, your nozzle is probably clogged. Clean the nozzle by poking it with thin metal and rinse it.

Put the nozzle in a plastic zip-lock bag or any other container and spray WD-40 on the nozzle. Let it sit in the WD-40 for some time. WD-40 will help lubricate the nozzle from the inside, and any dirty particles sticking to the nozzle walls will then be released the next time you let the water run through it.

The future of pressure washer technology, including brands like Ryobi, is set to be more eco-friendly. We anticipate significant advancements in energy efficiency and a substantial reduction in water usage. This evolution aligns with the global push towards sustainable practices and resource conservation.

● Unclogging a Ryobi Pressure Washer Air Filter:

Gas-powered Ryobi pressure washers have an air filter. It protects the gas engine and carburetor from dust, debris, and other dirt particles from the air. Dirty air filters can cause the pressure washers to lose power and affect the engine. It needs to be cleaned or replaced every couple of months.

To clean your air filter, use the following steps:

– Step1: Locate the air filter:

Different brands and models have other locations. Use the manual to find where the air filter is located.

– Step2: Remove the air filter cover:

Air filters are secured by plastic covers that are screwed in place. Unscrew all the screws on the air filter cover to reach it.

– Step3: Removing the air filter:

Air filters are made from foam or paper and are placed inside the air filter cavity without any connections. Remove the air filter.

– Step4: Cleaning the air filter:

When the pressure washer uses a paper air filter, you must replace it when it is dirty. A foam air filter can be cleaned. Dip the air filter in soapy water to remove all the oil and dirt trapped inside it. Once properly washed, take tap water and clean any soap residues left inside the air filter. Ensure the filter is completely dried out, and then pour some engine oil into the filter before placing it back in place.

Why does my Ryobi electric pressure washer keep shutting off?

If the Ryobi pressure washer keeps shutting off, excessive pressure has probably been building up inside. And the pump is stopped. This is done via the unloading valve. If the pressure washer keeps shutting off unnecessarily, check the unloader valve.

● Automatic Shut Off:

Ryobi pressure washers have several security features that protect your pump from permanent damage. One of these security measures is a pressure switch inside the pump that will detect the pressure. If the trigger is not pressed, this pressure switch will be triggered and turn the washer off to protect the motor from excessive buildup pressure. This pressure release is done via the unloader valve, which acts as a soap siphon.

Suppose the unloading valve has a narrow soap passage and is malfunctioning. The pressure buildup inside the washer can trigger the pressure switch, and the pressure washer will turn off. This could be due to a clogged nozzle on the valve. Check and fix the unloader valve. It will probably need to be replaced if it is not working correctly. This will assure you that the pressure is regulated correctly.

For a broader range of pressure regulation, consider upgrading the unloader valve. This will also assure you that the pressure washer will not turn off unexpectedly due to excessive buildup.

● Faulty Connections:

Another problem that can cause the pressure washer to turn off is a faulty GFCI plug or power switch wire connection. Check and replace them if needed.

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  1. Greg Ferguson says:

    What kind of soap should be used in a Ryobi pressure washer?

    • Allard Vdhooft says:

      Hi Greg, for your Ryobi pressure washer, you can use any type of soap as long as it’s suitable for pressure washers. We recommend a gentle soap to avoid damaging your machine.

  2. Pauline Douglas says:

    Is it safe to troubleshoot the pressure washer myself?

    • Allard Vdhooft says:

      Yes, troubleshooting your Ryobi pressure washer yourself can be safe and effective. Just follow our tips and guidelines to diagnose and fix common issues easily. Good luck!

  3. Zoe Burns says:

    Super helpful information, thank you for sharing!

    • Allard Vdhooft says:

      Thank you for reading our blog post, Zoe. We’re glad you found the information helpful. Feel free to reach out if you have any questions or need further assistance with your Ryobi pressure washer.

  4. Annette Frazier says:

    What is the best way to store a Ryobi pressure washer to prevent damage?

    • Allard Vdhooft says:

      To prevent damage, store your Ryobi pressure washer in a cool, dry place with all accessories removed. Regularly check for leaks, clean filters, and follow the troubleshooting tips to keep your machine working efficiently.

  5. Daniel Hughes says:

    Great troubleshooting tips for Ryobi pressure washers!

    • Allard Vdhooft says:

      Thank you, Daniel! I’m glad you found the troubleshooting tips helpful for your Ryobi pressure washer. Let me know if you have any other questions or need further assistance. Happy cleaning!

  6. Mathew May says:

    How do I check if my water supply is adequate for the pressure washer?

    • Allard Vdhooft says:

      To check if your water supply is adequate for your pressure washer, ensure your hose is the proper diameter, remove any obstructions, and replace damaged parts. Follow troubleshooting tips on the blog to fix any issues.

  7. Eddie Hamilton says:

    I’ve been struggling with my pressure washer, but this article helped me troubleshoot the problems.

    • Allard Vdhooft says:

      I’m glad the troubleshooting tips helped you with your pressure washer issues, Eddie! Let me know if you need any further assistance.

  8. Alvin Ferguson says:

    Thank you for explaining the common problems with Ryobi pressure washers in a simple way.

    • Allard Vdhooft says:

      Thank you for your kind words, Alvin! I’m glad you found the troubleshooting tips for Ryobi pressure washers helpful. If you have any more questions, feel free to ask.

  9. Ian Simpson says:

    I appreciate the detailed solutions provided for each issue.

    • Allard Vdhooft says:

      Thank you for your kind words, Ian. I’m glad you found the detailed solutions helpful for troubleshooting Ryobi pressure washers. Let me know if you have any other questions!

  10. Katie Butler says:

    Can I use vinegar to clean the clogged parts of my pressure washer?

    • Allard Vdhooft says:

      Yes, you can use vinegar to clean clogged parts of your pressure washer. It can help with issues like dirty air filters or clogged nozzles. Good luck with the cleaning!

  11. Ray Bennett says:

    Should I clean my pressure washer after every use?

    • Allard Vdhooft says:

      Yes, it is recommended to clean your pressure washer after every use to prevent issues like clogs and leaks. Regular maintenance is key to keeping it running smoothly.

  12. Willie Perry says:

    How do I know if my Ryobi pressure washer is gas or electric?

    • Allard Vdhooft says:

      Hi Willie, to determine if your Ryobi pressure washer is gas or electric, check for a gas tank (for gas models) or a power cord (for electric models). If unsure, consult the user manual or contact Ryobi for assistance.

  13. Mitchell Dean says:

    I had no idea about the different causes of pressure issues with pressure washers.

    • Allard Vdhooft says:

      Thank you, Mitchell! I’m glad you found the information on pressure washer issues helpful. Feel free to reach out if you have any other questions or need further assistance.

  14. Stephanie Jordan says:

    How often should I clean the air filter on my Ryobi pressure washer?

    • Allard Vdhooft says:

      You should clean the air filter on your Ryobi pressure washer every 3 months, or more often depending on usage. This will help prevent pressure, power, and water leakage issues.

  15. Dustin Stone says:

    I will definitely refer back to this article next time my pressure washer acts up.

    • Allard Vdhooft says:

      Thanks for reading! Feel free to reach out if you have any more issues. I’m glad the troubleshooting tips were helpful for your pressure washer.

  16. Eduardo Ford says:

    Can I use my Ryobi pressure washer on my car?

    • Allard Vdhooft says:

      Yes, Eduardo, you can use your Ryobi pressure washer on your car. Just make sure to follow proper guidelines and maintenance tips to avoid any issues. Happy cleaning!

  17. Regina Byrd says:

    This article is a great resource for anyone who owns a Ryobi pressure washer.

    • Allard Vdhooft says:

      Thank you, Regina! We appreciate your positive feedback on our Ryobi pressure washer troubleshooting article. We hope it continues to be a helpful resource for you and other pressure washer owners.

  18. Antonio James says:

    I feel more confident in using and maintaining my Ryobi pressure washer after reading this.

    • Allard Vdhooft says:

      Thank you, Antonio! I’m glad the blog post has helped you feel more confident in using and maintaining your Ryobi pressure washer. Happy cleaning!

  19. Landon Rhodes says:

    What is the average lifespan of a Ryobi pressure washer?

    • Allard Vdhooft says:

      Hi Landon, the average lifespan of a Ryobi pressure washer is around 5-7 years with proper maintenance. Feel free to reach out if you have any more questions!

  20. Aubrey Pierce says:

    This article is a lifesaver for Ryobi pressure washer owners.

    • Allard Vdhooft says:

      Thank you, Aubrey! I’m glad the article was helpful in troubleshooting your Ryobi pressure washer. Let me know if you have any other questions or need further assistance.

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