Question about Karcher 2500 PSI Pressure Washer

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Power washer loses pressure. Engine runs fine. Taking the nozzel off, squeezing the trigger, and then putting the nozzel back on sometimes remedies the problem. How do I fix it? Thank you.

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Your bypass valve is jamming. All you do is take it out, put a smear of o ring grease around the o rings then put back in, make sure you push it all the way in and should fix the problem.

Posted on Sep 30, 2009

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Posted on Jan 02, 2017

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1 Answer

No pressure once trigger is squeezed


We will have to just guess what this trigger is on :>)

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Nov 21, 2017 | Garden

1 Answer

Pull rope on troybuilt pw wont pull out or pulls hard when trying to start it, i pulled plug and it pulls fine, put it back in and it pulls hard again if at all, can you help me out?


On some pressure washers the engine will be hard to pull start if there is pressure in the hose. Release the pressure in the hose by squeezing the wand trigger, then try starting the engine. Also If you had it running and then stopped it, you need to release the hose pressure again to have an easy time of pull starting it. This is what I have to do with mine once the pump is primed and before starting it up. I hope it's as simple as this. If not it could be an engine problem of some sort.

Hope this helps. :)

Aug 19, 2016 | Garden

1 Answer

The engine cuts off when i squeeze the handle on the sprayer, what is causing this to happen?


Sounds like a bad unloader valve. Do a search on "pressure washer unloader valve symptoms". When they are faulty there will either be little pressure or it will stop an engine abruptly. The engine will not just die down as it you were turning it off. It would stop cold.

May 28, 2015 | Homelite Pressure Washer. 2700 psi 2.3 GPM...

1 Answer

I have a craftsman 675 pressure washer. It runs fine. But when I turn on the water, it dies. What is wrong with it?


either the engine is worn and has no power or the pump is overloading the engine........

squeeze the trigger before you turn on the water.....
try no high pressure hose to make sure the water exits the pump ok

Sep 01, 2013 | Craftsman Garden

1 Answer

Hy does water squirt out around the nozzel


Inside the nozzel, where the tip locks in, there is a groove for an o-ring. If that o-ring is missing, water will leak around the tip as you describe. Sometimes when the tip isn't fully seated in the nozzel and you pull the trigger, the tip goes flying out. The o-ring will fly out also. Most people find the tip but never see the o-ring. The o-ring is usually carried by any company or store that carries pressure washers.

Jan 20, 2013 | Garden

1 Answer

Gas engine will not start without pulling trigger on wand to relieve pressure-engine dies when letting off trigger


I am afraid that is how they work even electric ones wont start unless you squeeze the trigger ,once they are running you should be ablr to release the trigger , and then squeeze it again whilst running . if yours dies when you release the trgger while motor is running -----good chance you are working at too high pressure. but to start you have to release all the internal pressure

Aug 22, 2009 | Campbell Hausfeld 2000 Psi Gas Pressure...

3 Answers

I HAVE A BRAND NEW TROY-BUILT 2600PSI pressure washer. I have used it twice for about 1/2 hour each time. It worked perfectly. I tried to use it today with everything hooked up perfectly. The Honda engine...


Sounds like the governor is stuck. My pressure washer speeds up when it has to pump. Don't know if yours uses vacuum to trigger governor or direct linkage. Good Luck.

Jul 04, 2009 | Psi Blue Max 2200 High Pressure Gas Power...

1 Answer

Pressure washer lacks pressure initially?


Dear allbusiness9,
This problem is most probably due to a faulty Spill Valve( also called Control Valve). When the gun is released the spill valve is compressed and it either closes a micro switch or just opens from the bottom and keeps the water circulating. All spill valves keep the water circulating from the bottom part. Now when the gun is pulled (opened)...the spill valve extends and closes the bottom part, and thus water goes out of the nozzel. When you work with no nozzel, there is enough water flow to close the bottom part of the spill valve. So when the nozzel is placed back there is no chance that the bottom part leaks water. When the gun is started with the nozzel....the bottom part of a FAULTY spill valve,..will colapse and pressure drops. So to fix the fault you must change the Spill Valve. In some occasions, I also found that suction valves give this problem. A faulty sucktion valve will colapse under high pressure, and lets water pass the other way round.
But in my opinion and experience, your problem is in the Spill Valve.
Regards,
Fulltech.

Apr 23, 2009 | Karcher 2500 PSI Pressure Washer

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