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Pressure washer dies as soon as I pull the trigger

Posted on 5/8/19 at 5:19 pm
Posted by BoogaBear
Member since Jul 2013
5561 posts
Posted on 5/8/19 at 5:19 pm
Starts up on choke gets warmed up and Everytime I pull the throttle on the wand it bogs down and dies.

3k psi Ridgid with the suburu motor. New gas and spark plug.
Posted by CAD703X
Liberty Island
Member since Jul 2008
78038 posts
Posted on 5/8/19 at 5:44 pm to
Hold the trigger down while cranking it.

You're welcome.
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/8/19 at 6:29 pm to
If you have a knob on the pump that has a +/- rotation on it, turn it down and see what happens. If you've recently switched tips or something, it might work.

That's called the unloader valve, and sometimes needs to be cleaned and greased b/c it sticks
Posted by EveryoneGetsATrophy
Member since Nov 2017
2907 posts
Posted on 5/8/19 at 6:38 pm to
I have the same unit. Keep us posted.

The only issue I ever had was when my buddy filled it up with ethanol and didn't tell me and it sat for 2 months. Emptied the gas tank and filled with real gas and no problems.
Posted by BoogaBear
Member since Jul 2013
5561 posts
Posted on 5/8/19 at 7:08 pm to
I'm leaning a dirty carb. It's probably been sitting up for 6 years, it's my dad's washer.

I'm going to clean it and see if that helps.
Posted by TigerAlum1982
Member since Sep 2011
1439 posts
Posted on 5/8/19 at 7:25 pm to
We have a Subaru too and my husband had the same problem. I think it ended up being a dirty fuel filter. After he cleaned it, it worked fine.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5266 posts
Posted on 5/8/19 at 8:06 pm to
quote:

Hold the trigger down while cranking it.


This worked for me as well but eventuallyI had to replace the carb as the problem was largely caused by a engine running problem.
Posted by DuckSausage
Baton Rouge
Member since Dec 2014
422 posts
Posted on 5/8/19 at 8:14 pm to
Had the same issue before. It would start 2nd pull each time but would die when I pulled the trigger and then would have let it sit 20-30 minutes to try it again.

Idk why this worked but I turned the water hose off, got it running and the slooooowly turned the water on and it ran fine for hours after that.
Posted by TigerFanatic99
South Bend, Indiana
Member since Jan 2007
27549 posts
Posted on 5/8/19 at 8:20 pm to
Clogged nozzle and the unit doesn't like the excessive backpressure?
Posted by blueboxer1119
Baton Rouge
Member since May 2013
7985 posts
Posted on 5/8/19 at 9:13 pm to
Gas tank not venting.

Next time, just to see, dont twist gas cap on tight, just set it on, start it up and see what happens.

I bet it doesn't kill.
Mine does the same thing.
Posted by Clames
Member since Oct 2010
16560 posts
Posted on 5/8/19 at 9:31 pm to
If it's an EX27 engine like mine then that won't be the problem. Most likely a clogged jet in the carb or something is wrong with the unloader assembly.
Posted by East Coast Band
Member since Nov 2010
62763 posts
Posted on 5/8/19 at 10:07 pm to
My pressure washer somehow leaks gas in to the oil chamber. I have to make sure there is no gas in the oil or it won't run.
It's an old Honda engine pressure washer
Posted by Clames
Member since Oct 2010
16560 posts
Posted on 5/8/19 at 10:52 pm to
Sounds like an issue with the float valve in the carburetor, relatively easy fix.
Posted by TheBoo
South to Louisiana
Member since Aug 2012
4501 posts
Posted on 5/9/19 at 10:25 am to
My dad dealt with this exact issue with his generac. To add another possibility if those fuel related suggestions aren't the issue: the water pump was causing my dad's unit to do that. Took it off/apart, cleaned it up, lubed it, and it worked fine.
Posted by bamarep
Member since Nov 2013
51798 posts
Posted on 5/9/19 at 4:16 pm to
quote:

My pressure washer somehow leaks gas in to the oil chamber. I have to make sure there is no gas in the oil or it won't run. It's an old Honda engine pressure washer




Either your float is sticking or the needle valve is bad or has trash in the needle valve seat.
Posted by sodcutterjones
Member since May 2018
1243 posts
Posted on 5/10/19 at 9:05 am to
Leave the choke on

or take out the air filter
Posted by Clames
Member since Oct 2010
16560 posts
Posted on 5/10/19 at 10:08 am to
That just masks the problem and could ruin the engine.
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