If you own a pressure washer, you know how important it is to keep it in good working condition. However, if you haven’t used your pressure washer in a while, you may run into some trouble when trying to start it up again. It’s common for pressure washers to develop problems after sitting idle for a period of time. In this article, we will guide you through the steps you need to take to successfully start your pressure washer after it has been sitting.

Step 1: Inspect the fuel system

The first thing you should do is inspect the fuel system. Check if the fuel tank has any old or stale fuel, as this can clog the system and prevent your pressure washer from starting. If you find old fuel, drain the tank and replace it with fresh gasoline. Additionally, check the fuel filter and clean or replace it if necessary.

Step 2: Check the oil level

Next, check the oil level in your pressure washer’s engine. Refer to the owner’s manual to find the oil fill cap and dipstick. Ensure that the oil level is within the recommended range. If the oil is low, add the appropriate type and amount of oil to bring it to the correct level. Remember to always use the oil recommended by the manufacturer.

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Step 3: Prime the pump

After you have taken care of the fuel system and oil level, it’s time to prime the pump. Prime the pump by connecting a garden hose to the inlet of the pressure washer and turning on the water supply. Let the water flow for a few minutes to remove any air from the system. Once the water is flowing smoothly, turn off the water supply.

Step 4: Start the engine

Finally, it’s time to start the engine. Make sure the pressure washer is on a flat surface and the engine switch is in the “off” position. Pull the starter cord firmly and steadily to start the engine. Once the engine starts, let it run for a few minutes to warm up before using the pressure washer.

By following these steps, you should be able to start your pressure washer after it has been sitting without any issues. Remember to perform regular maintenance on your pressure washer to keep it running smoothly and extend its lifespan.

Why Pressure Washer Won’t Start After Sitting?

There are several reasons why a pressure washer may not start after sitting for a while. Here are some possible causes:

1. Stale Fuel:

One common reason is stale fuel. If the pressure washer has been unused for an extended period of time, the fuel in the tank can go bad. Stale fuel can clog the carburetor and prevent the engine from starting. It is essential to use fresh fuel or to properly store the pressure washer with a fuel stabilizer to avoid this issue.

2. Fuel System Issues:

Another potential reason is fuel system issues. Over time, fuel lines and filters can become clogged or damaged, preventing the proper flow of fuel to the engine. This can lead to starting problems. Regular maintenance, such as cleaning or replacing fuel filters as recommended by the manufacturer, can help prevent this issue.

3. Ignition Problems:

Ignition problems can also prevent a pressure washer from starting after sitting. Issues with the spark plug, ignition coil, or flywheel can disrupt the spark needed for combustion. Cleaning or replacing the spark plug and ensuring the ignition system is in good condition can help resolve this problem.

4. Oil Issues:

Inadequate or dirty oil can also cause starting problems. If the oil level is too low or the oil is contaminated, it can affect the engine’s ability to start and run smoothly. Checking and changing the oil as per the manufacturer’s recommendations can help prevent this issue.

Overall, proper maintenance and storage practices, along with regular inspections and servicing, can help prevent starting issues with a pressure washer after it has been sitting for a while.

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Reasons for Pressure Washer to Sit

There can be several reasons why a pressure washer might sit idle for a period of time. These reasons include:

1. Lack of use: If a pressure washer is not used regularly, it can sit for long periods without being started. This can lead to problems such as stale fuel, clogged carburetors, and deteriorating seals.
2. Seasonal use: Pressure washers are often used seasonally, for tasks such as cleaning driveways or outdoor furniture. During the off-season, the pressure washer may sit unused for several months, requiring special care and maintenance before starting it up again.
3. Storage conditions: If a pressure washer is stored in a location with high humidity or extreme temperatures, it can be more prone to issues when it sits unused. Moisture can cause rust and corrosion, while extreme temperatures can affect fuel and oil viscosity.
4. Long-term storage: For pressure washers that need to be stored for an extended period, proper storage procedures must be followed. This includes draining the fuel tank and removing any residual water to prevent damage.
5. Improper maintenance: If a pressure washer is not properly maintained before being stored, it can develop issues while sitting idle. This can include failing to drain the fuel, not lubricating moving parts, or neglecting to clean and inspect the machine thoroughly.

Understanding the reasons for a pressure washer sitting idle can help you take the necessary precautions and perform the appropriate maintenance tasks to ensure that it starts up smoothly when you need it.

Steps to Prepare Your Pressure Washer

Starting a pressure washer that has been sitting for a while requires some preparation to ensure a smooth operation and avoid potential damage. Here are the steps you need to follow:

1. Inspect the Unit

Before using your pressure washer, inspect it for any visible signs of wear or damage. Check the hoses, nozzles, and connectors for any cracks or leaks. Make sure all the components are in good working condition.

2. Check the Fuel

If your pressure washer is gas-powered, check the fuel level in the tank. If it’s low, refill it with fresh gasoline. If the fuel has been sitting for more than 30 days, consider draining it and filling the tank with new fuel to prevent any starting issues.

3. Check the Oil

Check the oil level in the engine. If it’s low or dirty, change the oil following the manufacturer’s recommendations. Clean oil is essential for the proper functioning of the engine and ensuring its longevity.

4. Prime the Pump

Priming the pump is necessary if your pressure washer has been sitting for a while. Follow the manufacturer’s instructions to prime the pump properly. This will help remove any air pockets and ensure smooth operation.

5. Connect the Water Supply

Connect a garden hose to the water inlet of your pressure washer. Make sure the water supply is turned on and flowing freely. Check for any kinks or blockages in the hose that could impede water flow and affect the pressure washer’s performance.

6. Start the Engine

If your pressure washer is gas-powered, start the engine according to the manufacturer’s instructions. Pull the starter cord or turn the ignition switch to start the engine. Allow it to warm up for a few minutes before operating the pressure washer.

7. Test the Pressure Washer

After starting the engine, test the pressure washer by squeezing the trigger on the spray wand. Check if the water is flowing smoothly and the pressure is at the desired level. Adjust the nozzle or settings if needed to achieve the desired pressure for your cleaning task.

By following these steps to prepare your pressure washer, you can ensure its proper functioning and enjoy hassle-free cleaning. Regular maintenance and proper storage after each use are also essential to prolong its lifespan.

How to Start Your Pressure Washer

Starting your pressure washer after it has been sitting for a while may require some additional steps to ensure proper functioning. Follow this guide to learn how to start your pressure washer effectively and safely.

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1. Check the Oil

Before starting your pressure washer, it is crucial to check the oil level. Make sure the oil is at the proper level by referring to the owner’s manual. If the oil level is low, add the recommended oil type until it reaches the correct level.

2. Inspect the Spark Plug

Inspect the spark plug and make sure it is clean and in good condition. If the spark plug is dirty or damaged, replace it with a new one. A faulty spark plug can prevent your pressure washer from starting or running smoothly.

3. Connect the Hoses and Attachments

Connect the hoses and attachments to your pressure washer according to the manufacturer’s instructions. Make sure all connections are secure to prevent leaks and ensure proper water flow during operation.

4. Turn on the Water Supply

Turn on the water supply to your pressure washer. This is necessary to create the necessary pressure for the pump to function properly. Ensure that there are no kinks in the hose and that water is flowing freely before moving on to the next step.

5. Prime the Pump

Many pressure washers require priming the pump before starting. To do this, turn on the pressure washer and let the water flow through the system without starting the engine. This helps to remove any air from the pump and ensures proper water flow during operation.

6. Set the Choke and Throttle

Depending on your pressure washer model, you may need to set the choke and throttle before starting the engine. Refer to the owner’s manual for specific instructions on how to do this. Setting the choke and throttle correctly ensures optimal starting conditions for the engine.

7. Pull the Starter Cord

With all preparations done, you are now ready to start your pressure washer. Firmly hold the handle of the starter cord and give it a quick pull. Be prepared for some resistance as the engine starts. If the engine does not start after a few pulls, refer to the troubleshooting section of the owner’s manual.

Remember to always follow the manufacturer’s instructions and safety guidelines when operating your pressure washer. Regular maintenance and proper starting procedures will help prolong the lifespan of your pressure washer and ensure its efficient operation.

Troubleshooting Tips for a Non-Starting Pressure Washer

If your pressure washer has been sitting for a while and is not starting, there are a few troubleshooting tips you can try before calling for professional help. These tips can help you identify and fix common issues that may prevent your pressure washer from starting.

1. Check the Fuel

Make sure your pressure washer has enough fuel in the tank. If the fuel level is low, fill it up with the appropriate type of fuel recommended by the manufacturer. It’s also a good idea to check for any signs of contamination or water in the fuel, as this can cause starting issues.

2. Check the Oil

Check the oil level in your pressure washer’s engine. If the oil level is low or dirty, it can prevent the engine from starting. Refer to the owner’s manual for the correct oil type and procedures for checking and changing the oil.

3. Check the Spark Plug

Inspect the spark plug for signs of wear or damage. If the spark plug is worn or dirty, it may not generate enough spark to ignite the fuel and start the engine. Clean or replace the spark plug if necessary.

4. Check the Air Filter

The air filter prevents dirt and debris from entering the engine. If the air filter is clogged or dirty, it can restrict airflow and prevent the engine from starting. Clean or replace the air filter if needed.

5. Check for Obstructions

Inspect the pressure washer’s intake and exhaust vents for any obstructions. Debris or dirt buildup can prevent proper airflow and cause starting issues. Clean any obstructions and ensure the vents are clear.

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6. Check the Fuel Line and Carburetor

Inspect the fuel line and carburetor for any blockages, leaks, or damage. A blocked or leaking fuel line, or a faulty carburetor, can prevent the engine from starting. Clean or repair the fuel line and carburetor as necessary.

7. Check the Battery (if applicable)

If your pressure washer has an electric start feature, check the battery. Make sure the battery is charged and in good condition. If the battery is weak or dead, it may not provide enough power to start the engine. Recharge or replace the battery if needed.

By following these troubleshooting tips, you should be able to identify and fix common issues that may prevent your pressure washer from starting. If the problem persists, it is recommended to consult a professional for further assistance.

Questions and answers

What should I do if my pressure washer has been sitting unused for a long time?

If your pressure washer has been sitting unused for a long time, you should follow a few steps to get it started again. First, check the fuel level and add fresh gasoline if needed. Then, check the oil level and top it off if necessary. Next, check the spark plug and clean or replace it if needed. Finally, pull the starter cord or turn the key to start the engine. It may take a few tries to get it running, but be patient and persistent.

How can I prevent my pressure washer from getting clogged or damaged if I don’t plan to use it for a while?

If you don’t plan to use your pressure washer for a while, it’s important to properly store and maintain it to prevent clogs and damage. First, drain all the water from the pump and hoses to prevent freezing in cold temperatures. Next, add a fuel stabilizer to the gas tank to prevent the fuel from breaking down. Finally, store the pressure washer in a dry, climate-controlled area to protect it from the elements.

Why is it difficult to start a pressure washer after it has been sitting unused?

There are a few reasons why a pressure washer can be difficult to start after sitting unused. One common reason is stale fuel. If the gasoline has been sitting in the fuel tank for a long time, it can break down and clog the carburetor or fuel lines. Another reason is a dirty or faulty spark plug. A dirty spark plug can prevent the engine from igniting properly, making it difficult to start. Finally, if the pressure washer has been stored in a cold environment, the oil may thicken, making it harder for the engine to turn over.

Is there anything I should do to maintain my pressure washer if I only use it occasionally?

Yes, there are a few maintenance tasks you should perform if you only use your pressure washer occasionally. First, check the oil level regularly and change it according to the manufacturer’s instructions. Second, keep the fuel tank filled with fresh gasoline and add a fuel stabilizer if the pressure washer will be sitting idle for more than a month. Third, clean the nozzles and filters regularly to prevent clogs and ensure proper water flow. Finally, store the pressure washer in a dry, climate-controlled area to protect it from the elements.

What should I do if my pressure washer still won’t start after following all the troubleshooting steps?

If your pressure washer still won’t start after following all the troubleshooting steps, it may be necessary to take it to a professional for repairs. They will have the knowledge and tools to diagnose the issue and fix it properly. Trying to fix a complex issue yourself can potentially cause more damage and end up costing you more in the long run. It’s best to leave it to the experts when in doubt.