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Started By
Message
re: Pressure washer loses pressure when trigger is pulled
Posted on 3/28/22 at 12:15 pm to captainahab
Posted on 3/28/22 at 12:15 pm to captainahab
quote:
It might not be the pressure washer but the lack of water pressure on the supply side.
My neighbor borrowed mine and he was having the same issue - ended up being low pressure coming out of the faucet.
Same thing with my Honda gas pressure washer. I was trying with a 1/2" supply that was about 100 yards from the house and it would sputter. Hooked it up to the main supply by the house and it worked fine.
0
Posted on 3/28/22 at 12:29 pm to VolsOut4Harambe
quote:
Ask your husband to help you.
The only acceptable answer on the OT. Appears other baws excited about fixing a pressure washer though! Disappointing
Posted on 3/28/22 at 12:53 pm to NatalbanyTigerFan
Internal pump seals may be the issue if you have cleaned all you said you did. 
Posted on 3/28/22 at 12:54 pm to NatalbanyTigerFan
Mine did this when I put new tips on ???
Posted on 3/28/22 at 12:55 pm to NatalbanyTigerFan
Sounds like the pump.
Posted on 3/28/22 at 12:56 pm to NatalbanyTigerFan
quote:
Might have to look into the choke lever.
That’s where I would start
Posted on 3/28/22 at 12:59 pm to NatalbanyTigerFan
Research the unloader valve for your model. Had a buddy just dump a fairly new pressure washer with same issue. I threw $20 at it for a new uploader valve off amazon and it works perfectly now
Posted on 3/28/22 at 1:28 pm to NatalbanyTigerFan
Had the same thing happen to mine and it was the hose. I know that may seem obvious, but I changed the hose and it worked completely fine? Is the engine revving up and down?
Posted on 3/28/22 at 1:29 pm to BhamBlazeDog
Sounds like it's more of a water supply issue, but the choke also seems like a good place to start on the PW itself. Can't hurt to give that a once over.
Posted on 3/28/22 at 1:32 pm to NatalbanyTigerFan
Mine is a Honda engine and is about 6 years old. Mine does this if the washer is not sitting perfectly level. I don't mean cock eyed on a hill tilted either. My driveway is flat concrete and it does it sometimes. I just have to adjust it slightly and it goes back to working fine.
Posted on 3/28/22 at 1:32 pm to NatalbanyTigerFan
Hold the trigger down till it primes.
Posted on 3/28/22 at 1:34 pm to NatalbanyTigerFan
Disconnect water source from pressure washer.
Clean screen at connection where hose was removed.
Clean screen at connection where hose was removed.
Posted on 3/28/22 at 1:34 pm to NatalbanyTigerFan
Adjust the unloader. That's the spring part which regulates the pressure.
Posted on 3/28/22 at 1:38 pm to NatalbanyTigerFan
You need to replace your Chemical injector.@$10. amazon. Mine did the same.
This post was edited on 3/28/22 at 1:40 pm
Posted on 3/28/22 at 1:40 pm to LCA131
quote:
In the past, mine occasionally get some air in the line. And I just keep running it for a minute or two... and you can hear it when the air gets exhausted and it comes back to full flow. Kind of surges...
This
Posted on 3/28/22 at 1:41 pm to PapaPogey
quote:
make sure the rubber O-ring is still in the coupling
Sounds like a leak somewhere
Posted on 3/28/22 at 2:13 pm to NatalbanyTigerFan
If it’s after 4 hours of use, that’s normal.
Posted on 3/28/22 at 2:31 pm to NatalbanyTigerFan
Clogged water filter/screen
Posted on 3/28/22 at 3:24 pm to Aldo
Mine is surging when the trigger is not pulled. Pull the trigger and it stops surging. Cleaned the unloader, checked for leaks, etc.
Posted on 3/28/22 at 3:28 pm to NatalbanyTigerFan
Did you turn on the water?
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