[Shop-talk] Gas Pressure Washer problem

[Jeff Scarbrough]

My pressure washer is electric, but I assume the plumbing is similar.  If I
take the wand off, water will flow through the machine and the pump.  I
would first remove the tip, being careful to avoid any residual pressure.
Pull the trigger and see what comes out with the supply hose connected.
Then work your way back to the pump.

Also try removing the spark plug and see if it will turn over that way.

On Mon, May 13, 2024 at 9:51 AM Matt <mbarre at juno.com> wrote:

> I cranked up the old pressure washer this weekend and it ran great, till
> it quit. It is an old Karcher G4000SH with low time, less than 50 hours on
> it. My wife was washing the deck, she put down the gun to reposition and
> when she went to resume it bogged down and quit. I was summoned to restart
> and find it is very hard to turn the motor over via the pull cord, I figure
> there is residual pressure on the pump so I pulled the trigger on the gun
> but nothing comes out.  Does this mean no residual pressure or is it a
> trigger failure?
>
> I am stumped.  Any guidance or ideas?
> TIA!
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