Small Engine Troubleshooting Problems? Ask a Mechanic Now.
If you choose to clean and rebuild your carburetor, it will be great if you will soak your carburetor, prior to cleaning it. Use a small wire to clean the small jets and fuel passages inside your carburetor.
We can continue from here. Thanks!
I need to confirm something. Is your engine surging, or your water pressure surging?
Thank you for this information. I was thinking that your engine was surging. I am not very familiar with your pump and the pressure requirements for your pressure washer. I do apologize. If you like, I can opt out, and give another expert, who is familiar with your type of problem, an opportunity to assist you.