Question about Honda 50 W Ar Pump 2500 Psi 25 Gpm Pressure Washer

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Pressure washer starts ok. pressure builds in hose but when i pull the trigger pressure disapates quickly and will not stay constant?

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 101 Answers

SOURCE: pressure washer won't build pressure

The problem sounds like its in the handle.. trigger mechinism

Posted on Dec 15, 2008

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SOURCE: I have a Honda 3500 pressure washer. The motor

You need to start the unit and let it run for few minutes to get worm, make sure the water is fully open and the unit is fully cleaned. Push on the trigger on and off for few times not letting the unit shutdown, then start increasing the fuel mixture ¼ turn and push on the trigger again and see…this could be that the unit need service or the governor springs getting week if you got one on your unit…let me know how that work for you and please do not forget to rate my service so we can improve on it with your help. God bless

Posted on Sep 20, 2009

Testimonial: "The problem was the governor spring. Thanks"

  • 251 Answers

SOURCE: my pressure washer will start, but when I pull the

hi , first thing to do is a full service on it , clean the air filter , clean the spark plug, check the oil , clean the inline guaze filter on the water inlet side , open the small screw on the bottom of the carb bowl and drain out any water that may be in it , then try it with a water supply but without a hose and lance connected , this will let you know the engine and pump are working , some washers are fitted with a small piston/cylinder comming from the pump with a linkage leading to the carb this may be sticking/jammed , if you post more details we should be able to help

Posted on Mar 08, 2010

  • 68 Answers

SOURCE: NO PRessure

Hi It sounds to me like your unloader valve is stuck, this is the thing that is meant to move up and down when pressing the trigger.Please remove the unloader valve assembly and check for damage. If no damage is found then grease and lubricate this part and replace and this should work ok again.

Posted on Jun 16, 2010

  • 760 Answers

SOURCE: My pressure washer won't stay running when I

The pressure relief valve must be stuck. That is the part with the black knob were you adjust pressure. If it can't "unload" so tghe wagter has no where to ok, and then the pump will stall. You may be able to disassemble valve, soak in vinager or mild acid, rinse well and reassemble

Posted on Aug 18, 2010

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1 Answer

I switch the pressure washer on motor starts pressure builds up motor stops. OK pull the trigger on the lance the moter starts sounds different water pressure low. Release trigger motor still runs.


It isnt very clear your explanation of the problem but what type washer do you have first? It sounds like you have a bad unloader or need a new variable nozzle tip. Can you explain in more clear detail. Thanks

Feb 16, 2015 | Garden

1 Answer

Constant pressure


Some of these machines require you to hold the spray handle trigger in the open position while starting the motor, once it is running let the trigger go and it should run on bypass

Apr 11, 2014 | Craftsman 2500 PSI Briggs & Stratton...

1 Answer

I have a honda 2600 pressure washer. After running fine for a couple of seconds the water will stop flowing out the tip. It is receiving water,but will not flow it to the pressure hose. I even disconnected...


This happens when air gets inside the hose. An air bubble of sorts is in the hose and will not build pressure until you blow the air out of the line. Start the pressure washer, turn on the water. pull the trigger on the gun. It will spitter and spatter and come to a trickle. release the trigger on the wand. Pull the trigger again and it will eventually work it self out.

Jun 13, 2011 | Honda Black Max 2600 PSI Pressure Washer

1 Answer

Won't stay running


Pressure washer when you first try to start them that stop underload. We had the same type of problem with 11 hp Honda if you hold the trigger open the motor will be under less load we found by running the motor for about a minute it would work normally. Remember to make sure the water hose is turned on pull the trigger on, until water is coming out of the wand , now try and start the motor but also hold the trigger open, now you will not be building maximum pressure, after about a minute release the trigger and see if it keeps running.

Feb 19, 2011 | Briggs & Stratton 2200 PSI Gas Pressure...

2 Answers

Cant start the unit ,there is to much pressure on the pull chord when water is hooked up.


Trying to start a pressure washer with water supply on and gun trigger off will be a difficult task. It could be comparred to trying to start a lawn mower with the mower in tall grass. Place the mower on the drive or walkway and pulling the rope to start the engine is much easier. It is easy to start your pressure washer with no water in the system however there is a remote possibility that you could overheat the seals if you take too long to turn on the water. It is a little more difficult to start the washer with water supply on and someone holding the trigger to wand open. This will prevents pressure from building and making engine hard to start. You will not damage your washer if you start it with water supply off if you flood the pump and pressure hose with water first . Here is the procedure I use if i am working alone. I trun on the water to pump and open trigger to gun to allow water to flow into pump and pressure hose. Turn off water (leaving the water supply on will make it a little harder to pull starter). Start engine while holding trigger to gun open. When engine starts release gun causing unloader to activate circulating water in pump. Now turn on water and you are ready to work. If your system is under warranty however, I would advise to use the starting procedure outlined by mfg (hold open trigger to gun however). To get the longest life from unit try using it at say 75% of capacity or lower if your can and use max pressure on the tuffest jobs. Leaving your washer at full pressure for all jobs is like driving your car at 100 mph everywhere your go. Good luck.

Aug 24, 2010 | Northstar Professional Series Pressure...

1 Answer

High pressure issue


THERE SHOULD BE A PRESSURE REGULATOR ON THE PUMP YOU CAN ADJUST FOR MORE PRESSURE THIS COULD BE THE PROBLEM. ONCE YOU PRIME THE UNIT THE REGULATOR SETS ITSELF AND WHEN YOU PULL THE TRIGGER AGAIN THE SEAT AND SPRING MAY BE STAYING OPEN AND NOT LETTING THE UNIT BUILD PRESSURE

Aug 19, 2009 | Karcher 2500 PSI Pressure Washer

1 Answer

Ex-Cell VR2500 Builds Pressure but Won't Spray


I have a similar problem and diagnosed it to be a problem with the gun. I spoke to a technician that services this pressure washer and he walked me through all the diagnostic steps. The pump is working because there is pressure being built up and the gun sort of works because you can get water out before the washer is started. The technician said that the mechanism inside the gun is either clogged or broken. I am going to Home Depot or Lowes to purchase a new gun and will try it tonight. Guns are only about $30-40. He said generic is fine as long as the thread matches and PSI is in range. Good luck!

Aug 09, 2009 | Karcher 2500 PSI Pressure Washer

1 Answer

No pressure


It is probably air locked....Here's what you need to do. Connect the garden hose, and HP hose, but not the gun. Turn on the water, and let it run while you make sure that there are no high points in the garden hose that can trap air....Work the hose so that any air is displaced through the pressure washer. Continue in this manner through the HP hose. Shut off the water and connect the gun. Turn the hose back on, and operate the gun for several minutes, pulling the trigger and releasing. This alternately allows the water pressure to build up on house pressure and then to depressure, pulling residual air from the system. Release the trigger, and start the machine. Usually, this is enough to get full washing pressure. If it is very difficult to start, you can hold the trigger down on the gun and pull the start cord at the same time. Holding the trigger down acts as an unloader, making the starting easier.
Hope that this helps, --W/D-- please feel free to rate this solution! Thanx!

Jul 31, 2009 | Garden

1 Answer

2-yr old troy-bilt pressure washer with honda gcv160 engine. seems to run well, but when trigger is pulled get full pressure for less than 5 seconds before reducing to house water pressure. when left...


It sounds like an air lock. Try this: With the machine off, connect the hose to the washer and let it run for several minutes to get all of the air out of the hose, and to purge any air out of the pump. Shut off the water, and connect the high pressure hose, but not the gun. Let the water run for several minutes. stretch out the HP hose and make sure that the air is displaced. Shut off the water, connect the gun, and purge as before. Now crank it washer up. As quickly as safe to do so, open the trigger to keep water moving through the washer. It should come up on pressure very quickly. It is better during normal operation to keep water moving through the system. When I am through for a while, I shut down my washer, but leave the trigger depressed to allow the pump to stay full of water, and cool. This prevents further problems when I restart it.
Hope this was useful.

Regards --W/D--

Jul 17, 2009 | Briggs & Stratton Garden

1 Answer

Pressure washer won't build pressure


The problem sounds like its in the handle.. trigger mechinism

Nov 02, 2008 | Honda Garden

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