Having problems with your Pressure Washers ?

My karcher k4.130 is losing pressure and smoking


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Repair Help & Product Troubleshooting for Pressure Washers

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My karcher k4.130 is losing pressure and smoking


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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.


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Have a Karcher Model G4000SH pressure washer that is losing pressure. I have a parts manuel. How do I solve the problem?


Check the valves take it apart with Allen keys carefully there is oil in therethe valves are normally black or white,with a silver saucer and a spring change them,gasket silicone the block when putting together. ... Pressure Washers

When i turn my pressure washer on it works for a few mins then smoke comes out of it and it cuts off. i bought it last year and only used it once and this happened when i have tried to use it this year. its a karcher pressure washer thanx


Sounds like a motor problem. ... Karcher K2.26 Electric Power Washer

My karcher pressure washers motor revs up and down when being used and loses pressure. can you tell me the cause of this problem and how easy it is to fix and what the cost would be please?


Hello, W/D here.It sounds like there is air in the machine, causing the over revving and loss of pressure. When the revving decreases, it's because some of the air has passed, and the washer is then trying to pump water, only to have more air ... Karcher K3.68MR Electric Pressure Washer

Started smoking, but good water pressure - Karcher K3.68MR Electric Pressure Washer


This certainly is a fault in the electric motor. Try the machine without load. That is...remove gun completely.\012If smoke still appears....windings in electrical motor are damaged.\012Myself I prefer to change motor than to rewind. More ... Karcher K3.68MR Electric Pressure Washer

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Karcher 620M.To obtain high pressure I have to Move pressure control on nozzle several times until pressure kicks on. As soon as I release trigger and then pull it again, I have same problem -- giggl


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Hi, I work in the italian factory of Karcher. In my opinion the problem is caused by the breaking of the collector. This is a black component of plastic where is inserted the detergent suction valve and the safety valve. To replace this component you ... Karcher 1750 psi Electric Pressure Washer

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Hi, you have a little black clip in the gun hand where the hose pushes in, just pull it out and the the hose will pullout. ... Karcher K 5.85 M Electric Pressure Washer

1750 psi Electric Pressure Washer: My pressure washer is losing pressure and is pulsa...


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 yo ... Karcher 1750 psi Electric Pressure Washer

Karcher pressure washer My Karcher pressure washer switches ON and OFF continually when I am trying to wash. It is about 6 yrs old 120 Bar 1750 PSI 420MH


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I have had 3 Karcher pressure washers all experience the same problem and so have two of my neighbors. Our area has very hard water and it causes problems with the washer not bringing up the pressure when the trigger is pulled (or surges up and down) and the nozzles clogging, etc. The service repair facilities cannot tell me how to prevent this. Many attempts to contact Karcher for advice have been ignored. I have been thinking that perhaps running the engine for a few seconds with no hoses a


If your water is that hard (and it appears it is) WD40 will NOT solve the problem. You should look into a water softener. However, chances are that a small, inexpensive model will not have the flow capacity required for a pressure washer. You'll like ... Karcher K2.26 Electric Power Washer

I dont have high pressure on my karcher and I can't turn the wand on the karcher pressure handle or not sure if I am doing it right.


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RE: Karcher Ser.#122783 Pressure Washer K3 97M My Karcher is several years old. During recent efforts to use it, the unit "chugs" when I squeeze the handle rather than making the familiar steady pumping sound. The pressure is also down significantly. I will appreciate your input on how I might address this problem. T A Rounds


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Karcher 3.91 m , motor runs but no pressure - Karcher K 391m Pressure Washer


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