Pressure Washers
Advice on electric and gas pressure washers. PSI ratings, nozzle selection, surface cleaning, and maintenance.
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can’t get the high pressure hose to connect to the spray gun, it just won’t click in
The quick-connect collar on the spray gun is either not being pulled back fully, or there’s debris or damage on the hose connector’s ball bearings. P…
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pressure seems weak even on the highest setting, doesn’t blast dirt off like it used to
When a Briggs & Stratton S2200 experiences a significant drop in blasting power, the issue usually stems from a loss of pressure (PSI) or a drop in f…
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the pump makes a loud knocking or banging noise, especially when i pull the trigger
The loud knocking or banging noise occurring specifically when the trigger is pulled on a Briggs & Stratton S2200 is a classic symptom of cavitation.…
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engine starts fine but then dies after about 30 seconds, like it’s running out of gas
The symptoms you are describing—starting normally but stalling after 30 seconds—indicate a vacuum lock or a fuel starvation issue. When the engine st…
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why is my pressure washer leaking water from the bottom of the pump when it’s running
Water leaking from the bottom of the pump housing on a Briggs & Stratton S2200 typically indicates a failure of the internal high-pressure seals or a…
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just got my s2200, followed the oil and gas steps, but it won’t start at all, not even a sputter
The most common culprit on a new unit is the engine safety features: the oil guard system or the fuel shut-off valve. Check the oil level first. The …
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pressure washer surges and pulses like it’s hunting for pressure, spray is inconsistent
The "hunting" or pulsing sensation in your Briggs & Stratton S2200 is typically caused by a failure in the pressure regulation loop, specifically cen…
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my briggs pressure washer starts and runs but the pump won’t engage, trigger pulls but nothing comes out
When a Briggs & Stratton S2200 engine runs smoothly but the pump fails to deliver water, you are dealing with a loss of prime. The pump is a positive…
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machine works but water pulses or surges at the spray tip, pressure isn't steady.
The pulsing or surging sensation at the spray tip on an AR Blue Clean AR383 is almost always caused by "cavitation," which occurs when the pump is dr…
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the soap injector doesn't suck any detergent from the bottle, just water.
The AR Blue Clean AR383 utilizes a Venturi-style chemical injector located at the inlet of the pump head. When the machine fails to draw detergent, i…
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i can't get the high pressure hose to connect to the spray gun, it just won't click in.
The quick-connect coupler on the hose end is not aligning or the O-ring is swollen/jammed. First, ensure there is NO pressure in the hose. Pull the t…
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pressure washer runs fine for a minute then shuts off by itself, won't restart until it cools.
The AR Blue Clean AR383 is experiencing a thermal overload trip. Inside the induction motor, there is a bimetallic strip or a thermistor designed to …
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my ar383 leaks oil from the little round window on the pump, is that bad?
The oil leaking from the sight glass (the round window) on your AR Blue Clean AR383 is a critical failure indicator. This window is designed to allow…
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pressure washer makes a loud knocking or banging sound when i pull the trigger, is it broken?
The loud knocking or banging sound you hear when engaging the trigger is a classic symptom of pump cavitation and air entrapment. This occurs when th…
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ar383 pressure washer turns on but no pressure comes out, just a dribble from the wand.
The AR383 is experiencing a loss of prime or a failure in the pressure regulation circuit. When the motor runs but only a "dribble" emerges, it indic…
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my ar383 pressure washer starts up but the motor just hums and the pump doesn't turn, what's wrong?
The pump is seized. This happens when it sits with water inside and the internal components corrode or mineral deposits lock it up. Unplug the unit. …
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i can't get the high-pressure hose to connect to the spray gun, it just leaks.
The quick-connect fitting is not fully seated or the O-ring inside is missing/damaged. First, ensure the hose is for high-pressure (has metal braidin…
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the pressure is really weak and pulsates, even with a new tip.
A worn or damaged pump unloader valve. This valve regulates pressure by recirculating water. When it fails, pressure drops and surges. This requires …
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water is leaking from the bottom of the pump near the connections.
The leaking occurring at the bottom of the CMEPW1900 pump manifold is typically caused by the degradation or displacement of the internal O-rings and…
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the soap injector isn't pulling any detergent from the bottle.
The chemical injection system is either not engaged or the filter is blocked. It uses a venturi, not a pump. First, ensure you have selected the 'LOW…
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it keeps shutting off by itself after a few minutes of use.
The Craftsman CMEPW1900 is equipped with a thermal overload protector designed to kill power to the motor when internal temperatures exceed safe oper…
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the machine makes a loud knocking or rattling noise when it's running.
The loud knocking or rattling noise in your Craftsman CMEPW1900 is a classic symptom of pump cavitation. This occurs when the pump is unable to draw …
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my pressure washer runs but the water just dribbles out, no pressure at all.
The primary cause of a "dribble" effect on the Craftsman CMEPW1900 is a failure in the water intake system, leading to cavitation. When the pump is r…
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my new craftsman pressure washer won't start at all, no sound, just dead when i pull the trigger.
The most common cause for a completely dead new Craftsman CMEPW1900 is a tripped Ground Fault Circuit Interrupter (GFCI) on its power cord. This safe…
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i can’t get the high pressure hose to connect to the pump outlet, it won’t click in and keeps popping off.
The failure of the high-pressure hose to lock into the DeWalt DWPW2400 pump outlet is almost always caused by a failure in the spring-loaded ball det…
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pressure seems low and the engine surges up and down rhythmically when i’m spraying.
This rhythmic surging, often described as "pulsing," is a symptom of the unloader valve rapidly cycling between the "bypass" and "spray" modes. In th…
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the motor runs but the pump won’t engage, it just makes a humming noise and smells hot.
The humming sound combined with a burning smell indicates a "stalled rotor" condition. In the DeWalt DWPW2400, the electric motor is attempting to dr…
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the soap injector isn’t pulling any detergent from the bottle, just plain water.
The DeWalt DWPW2400 utilizes a Venturi-style soap injector, which relies on a pressure differential to create a vacuum. As water flows through the in…
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water is leaking from the bottom of the pump, near the shaft, when the machine is running.
The leak you are seeing at the bottom of the pump housing, specifically near the drive shaft, is a definitive sign that the primary axial water seal …
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my pressure washer makes a loud knocking or hammering sound when i pull the trigger, it’s really jarring.
The jarring, metallic knocking sound you are experiencing is a classic case of "water hammer" combined with pump cavitation. In the DeWalt DWPW2400, …
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the pump is running but my dewalt dwpw2400 has no pressure, just a weak trickle coming out of the wand.
The pump is cavitating. This is almost always caused by a restriction on the water inlet side, not getting enough water. First, make sure your garden…
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my dewalt pressure washer won’t turn on at all, no light, no sound, nothing when i plug it in and flip the switch.
The DeWalt DWPW2400 is designed with multiple layers of electrical protection to prevent motor burnout. When the unit is completely unresponsive—mean…
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water is leaking pretty bad from the bottom of the pump, near where the hoses connect, not from a hose itself
A leak from the pump body itself is usually from one of two seals: the pump head O-ring or the seal around the piston. Both are wear items, especiall…
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the pressure control dial on the handle spins but doesn't seem to change the spray power at all
The dial is likely disconnected from the internal valve it's supposed to turn. It's a known weak point on this model—the plastic linkage between the …
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the unit keeps shutting off by itself after a few minutes, then the red overheat light comes on
The thermal overload protector is kicking in because the pump is getting too hot. The number one cause is using it with the '0°' red turbo nozzle for…
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can't get the soap setting to actually suck up detergent, it just sprays plain water
The soap injector on these is a venturi system that requires a specific setup to work. If you don't have the right tip attached and the pressure set …
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the digital screen on my pressure washer is completely blank, but i can hear the machine running if i pull the trigger
The machine works, so power is getting to the pump. The blank screen means the low-voltage control circuit or the display itself isn't getting power.…
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my epx3100 makes a really loud knocking or banging sound when i'm using it, sounds like it's gonna blow up
That's hydraulic shock, often called 'water hammer'. It happens when you release the spray gun trigger suddenly. The moving water slams to a stop, se…
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the pressure washer turns on and water comes out, but it won't build any pressure, just dribbles out like a garden hose
Yeah, this one's common. It's almost always because the high-pressure hose or spray gun isn't connected completely tight, letting pressure escape bef…
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my new westinghouse epx3100 just flashes 'E02' on the screen and won't start, i can't even find that code in the little book
The E02 code is the pressure washer's way of saying it thinks the inlet water supply is insufficient or blocked. It's a safety lockout to protect the…
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the cord reel on my k1700 is super stiff and won’t retract the power cord anymore.
The spring mechanism inside the cord reel has either failed or, more likely, gotten jammed with dirt, sand, or grass clippings. It's a common issue i…
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the detergent suction tube isn’t pulling soap, i just get plain water even with the dial turned to soap.
The chemical injector system is either blocked or not creating the necessary vacuum. The most common culprit is a clogged filter in the suction tube …
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i get pulsating or surging pressure, it’s not a steady stream, it pulses hard then soft.
Surging is almost always caused by air getting into the water supply. The pump is trying to pressurize a mix of water and air. The usual entry point …
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the trigger gun on my k1700 is stuck closed, i can’t squeeze it to release pressure.
The trigger mechanism is either jammed with dirt/debris or, more commonly, the internal safety lock is engaged. There's a sliding lock on top of the …
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the machine turns on and runs but shuts off by itself after like 30 seconds, then the green light just blinks.
The automatic thermal overload protector is kicking in. The motor is overheating, usually because it's not getting enough cooling. The K1700 uses the…
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my pressure washer leaks water from the bottom of the pump housing as soon as i turn the water on, before i even start it.
A leak from the pump housing at rest means a seal has failed. On the K1700, the most common leak point is the inlet water seal (where the water enter…
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the pressure is super weak on my k1700, like it’s just dribbling out even with the turbo nozzle.
Yeah, this one's common. Weak pressure is almost always an inlet water flow issue, not a pump failure. The K1700 needs a solid flow—check your garden…
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my karcher k1700 just hums and won’t build any pressure when i pull the trigger, what’s the deal?
This is the classic 'motor hums but pump doesn't engage' problem. The most likely cause is that the pump is air-locked, which happens a lot after sto…
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my pressure washer makes a really loud knocking or banging sound from the pump when it's running.
A loud mechanical knock from the pump area is serious. It's often a connecting rod inside the pump that's come loose or is hitting the housing, or a …
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engine starts and runs okay but there's no pressure at the gun, just a garden hose stream. simpson megashot.
The pump is turning but not pressurizing. This usually means the water is bypassing the pump internals completely. The first place to check is the th…