Question about Karcher K2.26MR Electric Pressure Washer

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Its leaking and the motor pulses all the time when turned on as the pressure cannot be maintained

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You need to replace the seals and make sure they are tight

Posted on Nov 12, 2009

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6ya6ya
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Posted on Jan 02, 2017

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I CAN HEAR MY FUEL PUMP RUNNING BUT NOT ENOUGH FUEL TO CRANK CAR


Fuel pump has nothing to do cranking a motor

If you suspect a fuel issue- why have you not checked
fuel pressure & volume at the motor?

If the motor turns over,check for spark & injector pulse,
as well as fuel pressure & timing chain or belt

Aug 19, 2014 | Cars & Trucks

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Engine trouble shooting


Check for:

Fuel Pressure at the motor
Spark & Injector Pulse
Battery Condition
Ignition Switch Functioning

Then on to cylinder leak down test--
for failed valves
(lack of compression)

Any timing belt or chain issues

Jul 31, 2014 | Plymouth Voyager Cars & Trucks

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I have a karcher kb9020 which pulses when idol any ideas why


The "manifold" as talked about above is also called the "Control head".
For a picture of the very small cracks in the control head see here: Karcher Control Head cracks

The video linked to below talks about the cracks in the control head at 7:00 through to 7:08. They guy incorrectly calls it the cylinder head in the video. How to FIX Karcher pressure washer

If Karcher made the control head from an aluminium casting, or used a metal insert near the point of failure, their product range would be a LOT more reliable.

May 30, 2014 | Karcher PSI Electric Pressure Washer

1 Answer

My 2002 dodge grand carvan wont start put key in it turns but no crank we know its not the starter plz help


The motor turning & the motor cranking -- are the same thing

You have a NO Start Condition-- if the motor cranks or turns over

Check for Compression
Check for Fuel Pressure
Check for Spark & Injector Pulse
Check that the Timing Belt is on or not jumped

Mar 06, 2014 | 2002 Dodge Caravan

1 Answer

DeVilbiss air compressor will not build pressure


Does it have an intake air filter? Has the compressor been properly maintained? Oil less? It may have worn out rings and or valves

Aug 24, 2017 | Air Tools & Compressors

1 Answer

I have a Karcher K3.540 pressure washer. Won't take up detergent and motor pulses ever second if vari-lance increased towards maximim. Motor runs ok at lower pressure but can take 1min to start wh


This fault is within the control head, under the detergent valve is a small spring loaded valve that acts to induce the detergent, this will have failed, the shaft of the component breaks off the disk base leaving a small hole in the centre of the disk. This is enough to allow pressure past the component. The machine will pulse when operated and will not induce the detergent. I've looked everywhere to find this part as I have a karcher with the same fault.

Jan 22, 2012 | Karcher Garden

1 Answer

Long Crank Time When Hot


Timing belt/chain may have been put it slightly off time, when motor rebuild

Jan 13, 2010 | 1993 Dodge Spirit

2 Answers

Karcher/Winner 11 - motor pulses when hose is not operating


Hi, I had the same problem, Replaced the O rings and the rubber seals and cups inside the pressure washer and eventually the hose itself burst. Turns out the hose was leaking, internally between the inner sheath and the outside plastic cover, for quite some time and this caused the pulse. New hose and pressure cleaner is as good as new.

Mar 15, 2009 | Karcher K2.26 Electric Power Washer

4 Answers

Motor/pump pulses--like a rapid on/off rather than a steady hum


I had the same problem,and I replace the spare part set control head parts,Same problem when it goes hum hum,if you look inside it with a magnified glass you`ll be able to see hair crack line.

Nov 02, 2008 | Karcher 1750 psi Electric Pressure Washer

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