Garden

Switch on pressure washer and it cuts out immediately and then nothing happens

How to Identify and Fix Common Gardening Problems ?

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A clogged carburetor is most commonly caused by leaving fuel in the pressure washer for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the engine to run stall.
If this is a gas powered pressure washer, then the pump is not going into by-pass mode and the pressure build up is overloading the engine causing it to shut down.
Problem: The pressure washer cuts out.

If your machine cuts out occasionally, it could be because you are using an electric extension cable. Extension cables must always be 13 amp constant rating and no longer than 10 metres. Please check your operating instructions for correct specifications.

If the spark arrestor is dirty or damaged, it can cause the engine to stall. To clean the spark arrestor, you will need to remove it from the pressure washer and use a wire brush to remove any build-up. Once the spark arrestor is clean, you can reattach it and try starting the power washer again.
How Do I Tell If My Unloader Valve is Bad? In most occurrences, the first symptom of an unloader valve going bad is no pressure from the wand when the trigger is pressed. This happens when the unloader valve gets stuck open and does not allow water to enter the hose and trigger.
Pressure may decrease if your packing is worn out or if there are abrasives or severe cavitation (bubbles) in the pumped fluids. This can be caused by an inadequate amount of water and/or a lack of proper filtration. To fix, install the proper filter.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Need help in getting Honda engine on NorthStar pressure washer to run.
ANSWER : Could be low water pressure I have found.Also, I purchased a can of “stuff” at Lowes today which allows you to circulate a liquid substance which lubricates the pressure pump….the pump could be frozen up…I have a rotating nozzle which I bought…and it had frozen up…this stuff works

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1750 psi Electric Pressure Washer: My pressure washer is losing pressure and is pulsa…
ANSWER : If the pressure washer is pulsating then that is a sign of check valve failure. You may be able to clean of replace the check valves. Replacing the head is the wrong way to go. This is completely unnecessary. If you can tell me the model number of your pressure washer then I can assist you better in pointing you in the right direction.

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Oil appears to have come out of the oil filler cap. Is this a sign of overfilling the oil, or something else?
ANSWER : Id definitley say its over filled. try checking the dipstick

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New pressure washer runs starts and runs for 30-45 minutes with no problems then dies and will not restart. Once it cools for a few minutes it will restart but will die again quickly. If it is allowed to sit for 30+ minutes it will run for another half hour but then dies again. Changed oil, gas, checked all obvious areas. Any suggestions?
ANSWER : Try removing the carb bowl and check for dirt/water etc , also if the machine is over heating it may be getting vapour locked

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Honda powwer boss 3000-whenyoupull the handale to spray it kills the engine
ANSWER : Sounds like the unloader (regulator). Try removing the nozzle, the pull the trigger with the engine running. If motor is still running then it could be the Unloader malfunctioning. If you require a new one try a bypass system for the unloader. The bypass will help save the life of the unloader.

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Starter cord want pull on husqvarna model 020524 pressure washer, not even with pressure of water off
ANSWER : Hold the trigger down on the spray gun and then try, the pressure is built up in the pump – the pump can’t turn against the back pressure.

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My dewalt dpd3300 ,why is it getting gas in the oil
ANSWER : This happens when the gas needle valve in the carburator sticks open. With it open, gas continues to flow into the carburator then into the cylinder and finally down into the crankcase. It can be caused by dirt in the needle valve’s seat, a stuck needle or float. Most of the time you can remove the float bowl and flush out any dirt. If there’s a lot you should consider flushing the gas tank and check your gas can for dirt. If the washer has been sitting for a long time the problem could be varnish is gumming up the carb works. Carb cleaner works well to flush that out. If the float, needle or seat is damaged you’ll have to rebuild or replace the carb.

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MY 1850 PSI POWER WASHER WON’T START UP. As fast as the motor started, it shut down. And there is still power. What is the problem?
ANSWER : Probably a clogged carb from sitting all winter with fuel it it.

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