Having problems with your Karcher 2500 PSI Pressure Washer ?

I really appreciate the help and the information I have read so far. My Karcher K2400HH runs like heck until you release the trigger. Then, if I take the quick-connect nozzle off, pull the trigger and shoot a stream of water, I can then put the nozzle back on and it runs like heck again UNTIL I release the trigger. Then, it is the same process each time I release the trigger. Kind of frustrating.


Answers :

Your unloader valve is sticking, take a look at the attached link for information on how to repair the problem.
Repair Help & Product Troubleshooting for Karcher 2500 PSI Pressure Washer

Tips for a great answer:

- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.

Suggested Questions/Answers :

I really appreciate the help and the information I have read so far. My Karcher K2400HH runs like heck until you release the trigger. Then, if I take the quick-connect nozzle off, pull the trigger and shoot a stream of water, I can then put the nozzle back on and it runs like heck again UNTIL I release the trigger. Then, it is the same process each time I release the trigger. Kind of frustrating.


Your unloader valve is sticking, take a look at the attached link for information on how to repair the problem. ... Karcher 2500 PSI Pressure Washer

I have a Karcher K3.99M when it is turned on and nozzle (trigger) is depressed nothing happens but after playing around with the nozzle trigger it comes on and as along as the trigger is depressed it will run, once you release it will stop and you will have to play with the trigger to get it active again. It sometimes hums even if the trigger is not depressed, please can some address this situation and identify what part is required?


... Alfred Karcher K 5.93 M Electric Pressure Washer

I have a McCulloch FH160B power washer and it no longer builds up pressure. I haven't used this very much at all. I tore it apart and cleaned everything I could find. When i pull the trigger for the spray nozzle, I get line water pressure. When I release the trigger, the power washer sounds like it starts to build up pressure. When this was working correctly, the pump would shut off when the trigger was released. Any suggestions?


... McCulloch Pressure Washers

I have a 2300 psi gas pressure washer, campbell hausfeld, runs fine but water comes out the nozzle like a hose , no high pressure. inlet filter is clean and when you pull the trigger on the nozzle water comes out like a hose but no pressure


If you no longer have High Pressure coming out while machine is running, it's a pump issue. ... Campbell Hausfeld PW2575 Pressure Washer

I have a Honda GC160 5 horsepower power washer with 2400 psi. When its cold it is easy to start but after it has been running for a while the only way to start it is to have the water shooting out of the wand. Once it is hot and running if i stop the stream of water (release the trigger on the wand) then the machine shuts off. It seems like the only way to keep it running is to constantly have water running through the wand. Please help


... Pressure Washers

I have a Briggs & Stratton gas power washer. This is the 1st time this year that I have used it. I put in fresh gas, hooked up the water supply. The engine started and then quickly stopped. I had to release the water pressure in the hose before I could pull start the engine. The only way to keep the engine running is to hold down the spray nozzle trigger. Once that is released the pressure in the hose builds up and the engine stops.


Sounds like the unloader is not working correctly. Try replacing it and see what happens. ... Briggs & Stratton Prosumer 20324 Gas Pressure Washer

When I switch my karcher k4.97 washer on it just sits and pulsates(on off on off etc.)When I squeeze the trigger it runs perfect,but emits a very low pressure.Then when I release the trigger it reverts back to pulsating. I have tried the popular fixes like cleaning lances,filters,making sure its not airlocked etc.I have even fitted new parts(seals to the pump etc).There are no leaks what so ever.


You have an internal crack in the out let head of the machine very comon in thease machine and not expencive to fix ... Alfred Karcher K 5.93 M Electric Pressure Washer

My 1750 psi campbell hausfeld pressure washer will operate at first until I release the trigger on the wand. Then it won't restart. If I wait for a while it will run again. Sounds like the pressure switch.


Common with that washer...it has a wabble pump. Release the trigger, if by pass does not engage, stalls engine. You can however keep using it, all you have to do is keep trigger pressed, and when you are cranking engine, depress trigger with the fr ... Pressure Washers

Karcher engine still run's when gun trigger is released, as if the trigger is help down. Model K2.080


... Honda Karcher G2400HH-R Pressure Washer

I have a Craftsman power washer model 580 752020. When I start it up, turn on the switch the electric motor runs fine until I either close the trigger to the spray nozzle or press the trigger for power spray. The electric motor just shuts down, if I take my finger off the pressure and let the water run with no presssure the motor runs fine. My question is this. Is the capasitator on the electric motor the probable cause and is there a way to check out the capasitator to see if it is malfuncti


I doubt that it has anything to do with the capacitor on the motor. i think you are having a problem with the actual Motor Drive circuitry. What is happening is when you close the switch, this tells the Motor to "Ramp Up" to pump the water out, what ... Craftsman Pressure Washers

I have 2400psi washer gas will run w/hi pressure, when i release trigger and then pull trigger for hi pressure it will take minutes to get hi pressure, longer i run longer for pressure to come back.


Hi and welcome to FixYa. I am Kelly. \015\012\015\012First off check to see if there is an inlet screen at the house water hose connection point. Remove it and clean it then reinstall. If the screen was clean.......\015\012The u ... Honda Karcher G2400HH-R Pressure Washer

My pressure washer will not start or stay running unless the trigger is open on the wand. The engine runs good until the trigger is released then the engine stalls instantly. what is worng and how do I fix?


... Briggs & Stratton 2200 PSI Gas Pressure Washer

Husky 2200 - water will run through when engine not running, once running nothing, like the water isn't on. Does seem to build pressure and release through pressure valve underneath.


What kind of oil goes in a power washer ... Pressure Washers

We have a Karcher G2500VH pressure washer. If you start the engine with the trigger pulled on the spray wand it will run at full pressure until you release the trigger. after that, when you pull the trigger it will not have any more pressure than the water hose feeding it. Does it have an internal unloader valve? What is the part number?


Hi, Karcher calls the unloader valve a spill valve, this is a link to a full drawing/parts listing , and your fault description might well be a sticking /seized unloader(spill ) valve hope this helps ... Karcher 2500 PSI Pressure Washer

If while pressure washing I let off the wand trigger it looses pressure and I have to turn of the washer motor and wait for the pressure to return.(seems like some kind of vapor lock problem)When the pressure returns I hold the trigger and restart the washer. If I let off the trigger we go through the same process again. this is a g3050


Hi and welcome to FixYa, I am Kelly. \015\012 This is most often caused by the bypass / un-loader valve located on the high pressure output side of the pump. The valve will either have a stem type valve with a knurle ... Karcher 2500 PSI Pressure Washer

I have a 5HP Honda engine installed on a Excell pressure washer. While the engine readily starts, it will not continue to run unless I keep the choke setting nearly completely closed. When I activate the pressure gun, it seems to generate adequate pressure, however, when the trigger is released, the engine continues to run at the same rpm instead of the normal variable rpm that most engines operate at during idling periods. The engine will always cease running when I push the choke rod all the w


... Honda Pressure Washers

K3.8 power washer motor runs when trigger released & water is leaking from the bottom of the unit.


... Pressure Washers

The motor is running fine and some pressure is coming out but not like it should. I used it a couple of days ago and it could peel the paint off a car and now it will hardly knock any dirt off my deck. What could be the problem. Again there is pressure but not like there should be. I have checked all nozzles and connections and checked the filter. I put a fresh oil job in it.


Sounds like the bypass valve is stuck. You need to locate it and lube it ... Honda Pressure Washers

When I switch my karcher k4.97 washer on it just sits and pulsates(on off on off etc.)When I squeeze the trigger it runs perfect,Then when I release the trigger it reverts back to pulsating.It leaks water when sitting idle.


Well, first the easy bit... the pulsation is caused by the leak, because the machine can't hold pressure when the trigger is released.  The difficult bit is: what to do about it?  Unfortunately, there are several different places where the ... Karcher Pressure Washers

I have a KARCHER Model K 2401 which onstart up has normal water pressure rather than the high. I can usually get it to work by removing the tip, pressing the trigger and running some water through without the tip on. The i replace tip and it will usually retain the high pressure. If I stop depressing the trigger I have to go through these same steps. It is like it loses prime. It works well once I get it started putting out the high pressure.


... Karcher 2500 PSI Pressure Washer

At the beginning the pressure washer was running but there was no power from the nozzle. I stop the gun trigger, remove the nozzle , it works for 1 minute and stop working again Now the washher pressure turns off on its own after 1 minute or less Honda 2400 psi


See attached link:\015\012http://www.wmpcs.com/index.php?main_page=page&id=14\015\012\015\012If you continue to have the problem you m ... Honda Karcher G2400HH-R Pressure Washer

No water pressure coming out while ingine is running. hoses/ attachments not clog. Pulled and opened pump, didn't see anything broken although noticed pump was filled with oil/lubricant but about 1/4" below top surface. Is it suppose to be filled to the top? What kind of oil is used on the pump? And how come there's no water pressure coming out while the motor is running and handle trigger engaged?


If you can find the model # then you can call tech support for free advise.\0121-888-279-9274 ... Karcher Pressure Washers

When I release the tigger the pressure washer stops running. Runs fine as long as trigger is depressed. What could cause this?


When the trigger is pushed, the engine is supposed to rev up to increase the pressure. So from the description, is sounds like the idle speed is simply set to low and it dies. So just set the idle speed higher. You could set it as high as pulling ... Briggs & Stratton Power Products 1539 Pressure Washer

Bad Smell I run my dishwasher at least every other day. I've noticed lately it smells....kind of like rotten eggs? Is there a filter that needs to be cleaned out? If so, where is it located and how can I do this? We have soft water running through the dishwasher and water doesn't sit in the bottom. Please help.


Start your dishwasher with no dishes in it.\015\012Let in run until it takes on water and start washing.\015\012Then open the door and pour in 8 oz of white vinegar and let it finish the cycle.\015\012If this does not correct the sm ... Kenmore 24 in. 15932 Built-in Dishwasher

Karcher 720 mxs fit dirt blaster to gun press trigger pressure low release trigger motor carries on running


... Pressure Washers
  • Start your question with What, Why, How, When, etc. and end with a "?"
  • Be clear and specific
  • Use proper spelling and grammar
all rights reserved to the respective owners || www.a-wash.org || Terms of Use || Contact || Privacy Policy
Load time: 0.1186 seconds