Question about Karcher 2500 PSI Pressure Washer
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.
Posted on Apr 13, 2008
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Posted on Jan 02, 2017
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Engine stalls or RPM
fluctuates at idle up and down or dies near idle.
This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve but always run a OBD2 fault code as well as the cleaning procedure. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control
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