Question about Psi 2500 Mobile Pressure Washer 5hp Honda Engine

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Honda 5hp engine only runs when choked. When choke is pushed in the engine shuts down. Pressure cleaner was running fine today for 90 minutes. Then the engine stopped. I was able to restart it for a few seconds. Then it stopped again. Engine will run if choked. Checked oil level. OK Checked choke linkage and governor linkage. OK Gas tank is full.

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Hello
You may have a clogged main jet in the carburetor, remove the engine shroud to expose the carburetor, the carburetor will be held on in most cases by tow bolts and then a basket underneath, remove the carburetor and flip it over in a rag to catch the fuel, then remove the screws holding the fuel float bowl on, carefully work the bowl loose to avoid tearing the bowl gasket, if you do damage it you will need a carburetor repair kit. Once the float bowl is removed remove the floor and the needle valve at the fuel inlet, set them aside, using a can of spray carburetor cleaner spray the inside of the carb and then blow through the jets with compressed air to dislodge the dirt (this is a must) that is obstructing fuel flow and causing the lean stall out, reverse and reinstall you should be good to go.

Posted on Jun 08, 2011

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I have a wood splitter that has a honda GCV160 5HP engine, when I choke it to start, it does find, but when I push the choke in, the engine will not run smoothly, it acts like it's not gettingg en


Sounds like debris in the carburettor. The carbs on these are relatively simple things which come apart easily. Check for debris or water in the float-bowl, and ensure both your idle and main jets are clear and you can see daylight through them.

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The problems you describe are usually indicative of a blockage in the fuel system somewhere in the carburator or a damaged gasket that's letting in too much air. With the choke on, the vacuum in the carb goes way up and forces more gas through. Remove the carb and check the gaskets and insulator if it has one. Then check the float bowl for debris and blow out all the passages in the carb.

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Have a 90 f-250 5.8 gas burner. sat in a warehouse for 2 years. new battery and gas. starts and idles great. run up rpms for 2 minutes and it starts choking out. let off fuel and goes back to idling...


Carburetta is fouled. Run fine on choke - rich mixture. As it warms up and choke pulls off, its starving for gas.
First try adding fuel system cleaner to the gas tank. Do NOT go overboard. No more than double the recommended mix ratio.
The alternative is to remove the carb, open the bowl and spray out the jets and venturi with carb cleaner.

Its possible you may help it by removing the air filter and spraying every orifice you find on top of the carb. With carb cleaner. Be very carefull not to flood, pool carb cleaner in intake as this is not healthy for engine either. You can do this with engine running, so as not to pool, but slowly is best, both in engine speed and volume of carb cleaner.

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1 Answer

Having a difficult time starting engine. I tried with the choke all the way out, and the throttle shut down, I tried with the throttle half way open, and the choke half way out, and I can't get the engine...


I have the same problem with my craftsman - I hold the trigger open on the wand as I pull the start cord. I also put some Sta-bil fuel stabilizer in the fuel to help it run. You may have broken an O-ring if you started your washer without water hooked up - it only takes a second to bully that o-ring. If so, either find your manual or call the dealer to see if they have another one so you can copy or at least look at the manual to know the how and where.
Hope this helps!

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1 Answer

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pour a large amount of carburator cleaner into the gas tank
run the engine for five minutes then shut it off and let it sit for a couple of days.
then start it and see if it runs any better
the longer you let it sit with the carb cleaner in it, the better it should run

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1 Answer

Pressure washer with 5hp Honda will ONLY run with choke on


It sounds like it has been tipped or too much oil has been put in. This would explain the oil in the air filter. First check the oil level. Then you need to clean the oil out of the carburetor. It is dirty or plugged and that is why it only runs when choked. You can try a spray-in carb cleaner but the best thing is to remove it (if you are handy enough) and soak it in varsol for 24 hours. Good luck

Aug 10, 2009 | Karcher 2500 PSI Pressure Washer

1 Answer

% hp Honda Motor runs on choke


Dear LC39B,
Is it possible you are blaming the wrong part of the machine? Did you try the Honda Motor on its own? I am asking , because if the pump of the washer has some fault or a bit jammed, this will demand a lot of power from the Honda. You can try the Honda with no water connection and no gun.
Regarding the Honda motor, you should check the electrical system also. I am saying this because you did not mention it, in your service procedure.
Regards,
MG.

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I have a Karcher pressure washer w/ a 5hp Honda engine. It only will run while the choke is pulled out and only runs at about half the rpm's. When the choke is pushed in.. it coughs, sputters and shuts off. Can you tell me how to fix this....

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