Question about Karcher 2500 PSI Pressure Washer

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Won't run with air filter on

My pressure washer won't stay running with the air filter on. It will run for a minute or so but then dies. Both the air filter and pressure washer are brand new with only about 2 hours of use.

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  • Anonymous Jul 10, 2008

    Stored pressure washer for one year, went to use it and it won't keep running. We have replaced float valve and cleaned the carburator. Engine will run with float valve off, but will only run a few seconds with it on. Can anyone help ?

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I have a fairly new pressure washer with the same problem and discovered that because it was temporarily stored on its back (rather than upright), oil seeped into the air filter housing. If you look at the air filter it may not look like it has oil on it - especially if the oil is new. Mine runs fine without the air filter, but as soon as I put it in, it does the same as yours. I came across this site since I am looking to order a new filter. Hope this helps.

Posted on Jul 13, 2008

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2 Answers

I have a dewalt 4200 pressure washer that will run for a few minutes and then randomly jus shut off..


Check the bottom of the gas tank for dirt/debris and the float bowl for the same, if it has a fuel filter check that also. Sometimes, if there is debris in any of these places it will settle down when the gas flow is stopped. Then, depending on how the machine is being used or moved around while it is running, the debris will slowly be pulled into the gas flow until it creats a blockage and starves the motor of fuel. When the motor dies the debris settles back down in the tank/float bowl and the motor will start again. Clean out anything in the tank and float bowl and replace the fuel filter if it has one.

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You turn it off after is warmed up, if it is smoking some , depending how bad it is won't hurt, unless it is running rough or smokes bad. Then needs possibly light tune up. You know oil change, fuel filter, clean air filter.

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My pressure washer works 4 a while then starts to sputter & dies?


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Jul 05, 2009 | Karcher 2500 PSI Pressure Washer

1 Answer

The washer will run about 2 min. then die. i have checked the oil, air filter and gas. it has good presure when running then it acts like its out of gas by stalling and dieing. Problems with Mi T M 13 Hp,...


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Post a comment if you need more assistance.

Apr 27, 2009 | Honda Pressure Washers

1 Answer

Stalling


likely you air to fuel ratio is too lean, runs mean and hot but under load dies. then floods the carb.
when it happens pull the plug ,
kill engine :
is there a lot of gas or none.
remove the filter and watch the action of the carb does it open and close easily is the filter clean.
try supplying it more gas turn the gas supply screw 1/2 CCW and see if it will stay running, if not add more.
( NOT the idle screw on the carb side w/spring )
By the way did a bit of water come out if not the clutch/pump may be binding or stuck with soap goop.back flush with hot water.

Apr 13, 2008 | Karcher 2500 PSI Pressure Washer

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