Pressure Washer Chemical Injector Not Working [Reasons + Fixed]

Your pressure washer’s chemical injector is a vital part of the machine, and when it isn’t working properly, it can be a major inconvenience. Not only can it make it difficult to clean your surfaces effectively, but it can also be dangerous if the chemicals are not applied correctly.

In this guide, we’ll walk you through the steps to troubleshoot a faulty chemical injector and get your pressure washer back up and running in no time. We’ll also provide tips on how to prevent this issue from happening in the future.

So if you’re ready to get your pressure washer back in action, let’s get started!

Most Common Reasons Of Pressure Washer Chemical Injector Not Working

Most Common Reasons Of Pressure Washer Chemical Injector Not Working

Clogged Chemical Injector Nozzle

The most common reason for a pressure washer chemical injector not working is a clogged nozzle. This can be caused by a build-up of sediment or debris in the nozzle, which prevents the chemical from flowing through. To fix this problem, you will need to clean the nozzle.

Blocked Chemical Line

Another common problem is a blocked chemical line. This can be caused by a kink in the line, a clog in the line, or a blockage in the chemical tank. To fix this problem, you will need to find and fix the blockage.

Faulty Chemical Injector

In some cases, the chemical injector itself may be faulty. This can be caused by a broken or worn-out diaphragm, a faulty valve, or a problem with the electrical components. To fix this problem, you will need to replace the chemical injector.

Incorrect Chemical Pressure

The chemical injector may not be working properly if the chemical pressure is too low or too high. To fix this problem, you will need to adjust the chemical pressure to the manufacturer’s specifications.

How to Troubleshoot And Fix: Pressure Washer Chemical Injector Not Working

Inspecting the Chemical Injector

Before diving into troubleshooting
it’s essential to understand the chemical injector’s function. The chemical injector is responsible for drawing cleaning solutions or detergents into the water stream
enhancing the pressure washer’s cleaning power. Start by examining the chemical injector for any visible damage
blockages
or leaks. Ensure that all connections are secure and free from debris.

Checking the Chemical Injection Hose

Next
inspect the chemical injection hose for kinks
cracks
or blockages. A damaged or obstructed hose can impede the flow of cleaning solutions into the water stream
resulting in the chemical injector not working as intended. Replace the hose if any issues are detected
ensuring that it is compatible with the pressure washer model.

Verifying the Chemical Injection Filter

Many pressure washers are equipped with a chemical injection filter to prevent debris from entering the system. Check the filter for any clogs or damage
as a dirty or faulty filter can hinder the proper functioning of the chemical injector. Clean or replace the filter as needed to ensure unobstructed flow.

Examining the Detergent Tank

If the pressure washer is equipped with a detergent tank
examine it for any blockages or clogs. Ensure that the tank is filled with the appropriate cleaning solution and that the inlet is free from debris. A malfunctioning detergent tank can lead to the chemical injector not working effectively.

Testing the Chemical Injector with Water Only

To isolate the issue
test the chemical injector with water only. Disconnect the chemical injection hose and run the pressure washer with clean water. If the water flows smoothly through the chemical injector
the problem may lie with the cleaning solution or detergent being used.

Adjusting the Chemical Injector

Some pressure washers feature an adjustable chemical injector to regulate the amount of cleaning solution drawn into the water stream. Refer to the user manual to adjust the chemical injector settings according to the manufacturer’s guidelines. Incorrect settings can lead to the chemical injector not working as desired.

Professional Assistance

If troubleshooting the chemical injector does not resolve the issue
it may be necessary to seek professional assistance. Contact a certified pressure washer repair technician to diagnose and fix any underlying mechanical or electrical issues affecting

FAQs: Pressure washer chemical injector not working

Why is my pressure washer chemical injector not working?

There are a few possible reasons why your pressure washer chemical injector might not be working.

The injector is clogged: This is the most common reason for a chemical injector not working. The injector can become clogged with dirt, debris, or chemicals. To fix this problem, you can try cleaning the injector with a degreaser or by flushing it with water.

The injector is not getting enough pressure: If the pressure washer is not generating enough pressure, the injector will not be able to work properly. To fix this problem, you can try increasing the pressure of the pressure washer or by cleaning the nozzle.

The injector is not getting enough water: If the pressure washer is not getting enough water, the injector will not be able to work properly. To fix this problem, you can try increasing the water flow of the pressure washer or by cleaning the filter.

The injector is faulty: If the injector is faulty, it will need to be replaced.

How do I clean a pressure washer chemical injector?

To clean a pressure washer chemical injector, you can use a degreaser or by flushing it with water.

To clean the injector with a degreaser, follow these steps:
1. Turn off the pressure washer and disconnect the hose from the injector.
2. Spray the degreaser into the injector.
3. Let the degreaser sit for a few minutes.
4. Rinse the injector with water.
5. Reattach the hose to the injector and turn on the pressure washer.

To flush the injector with water, follow these steps:
1. Turn off the pressure washer and disconnect the hose from the injector.
2. Connect a garden hose to the injector.
3. Turn on the garden hose and let the water flow through the injector for a few minutes.
4. Disconnect the garden hose from the injector and turn on the pressure washer.

How do I increase the pressure of my pressure washer?

There are a few ways to increase the pressure of your pressure washer.

Increase the water flow: The more water that flows through the pressure washer, the higher the pressure will be. To increase the water flow, you can try opening the water valve wider or by using a larger hose.

Use a higher-pressure nozzle: The pressure of the pressure washer is determined by the nozzle that you are using. To increase the pressure, you can try using a nozzle with a higher pressure rating.

Clean the filter: A dirty filter can restrict the flow of water and reduce the pressure of the pressure washer. To fix this problem, you can try cleaning the filter.

How do I increase the water flow of my pressure washer?

There are a few ways to increase the water flow of your pressure washer.

Open the water valve wider: The water valve controls the amount of water that flows into the pressure washer. By opening the valve wider, you can increase the water flow.

Use a larger hose: The size of the hose can affect the water flow. A larger hose will allow more water to flow through the pressure washer.

Clean the filter: A dirty filter can restrict the flow of water. By cleaning the filter, you can increase the water flow.

How do I fix a faulty pressure washer chemical injector?

If the chemical injector on your pressure washer is faulty, it will need to be replaced. To replace the injector, you can follow these steps:

1. Turn off the pressure washer and disconnect the hose from the injector.
2. Remove the old injector by unscrewing it from the pressure washer.
3. Install the new injector by screwing it into the pressure washer.
4. Reattach the hose to the injector and turn on the pressure washer.

You May Like to Read: Pressure Washer Detergent Not Working