Having problems with your Dewalt 3700 Pressure Washer ?

My dewalt 3750 has no pressure - Dewalt 3700 Pressure Washer


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Repair Help & Product Troubleshooting for Dewalt 3700 Pressure Washer

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Hi, I have a Dewalt pressure washer 3100 psi. I want to know why the pressure washer works okay for 1 hour then it stop working completely. the oil is fine, the spark plugs are okay, and when I tried to start it again it does not work. Can you please tell me what could be the problem? This pressure washer is almost brand new I have used it for only like 30 hours for 2 years that I have it. I used it couple times lately but same problem it works for 1 hour then it does not work any. I will


There are two common issues that will cause what you are describing. What you need to do is run the machine until it dies as you are describing. Then pull the spark plug and check for spark. If you do not have spark you have a failing stater. It is v ... Dewalt DPH3100 Gas Pressure Washer

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Turn water on then actuate wand trigger. Pressure washer leaks when wand trigger is actuated and has very low pressure/flow output. After releasing trigger the pressure cycles on - off at approx 1 second interval. I suspect that the plasstic oulet tube is leaking causing low pressure leak out of bottom when trigger is actuated and causes pressure switch to cycle when the trigger is released. Any Help? This pressure washer is approx 18 months old!


You gave a very close solution yourself for the problem. But other leakages can cause such symtoms.Forexample a leaking head or a leaking chemical inlet. These can be caused because the spill valve (pressure control valve) is stuck. When this valve s ... Karcher PSI Electric Pressure Washer

Deville Excel Model # EXHA2425 Pressure washer I have a deville excel Model # EXHA2425 pressure washer. I went to the deville website (devap.com) which forwarded me to the dewalt site w/ exploded diagram below. I am having problems with intermittent pressure production. If I squeeze the trigger sometimes it will have pressure, somethings it will not. If I repeatedly squeeze, then release the trigger sooner or later I will get pressure. Someone on hear had told me it was a "bypass valve sticki


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Deville Excel Model # EXHA2425 Pressure washer. Is "unloader" the same as "bypass valve"? I have a deville excel Model # EXHA2425 pressure washer with a 5.0 Honda enginr. I went to the deville website (devap.com) which forwarded me to the dewalt site w/ exploded diagram below. I am having problems with intermittent pressure production. If I squeeze the trigger sometimes it will have pressure, somethings it will not. If I repeatedly squeeze, then release the trigger sooner or later I will get p


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I recently purchased a Dewalt DXPW 3835 Pressure Washer from Home Depot.... After 4 hours use I no longer get any pressure. After depressing the trigger, I get a second of pressure and then it just dies. I called DeWalt and they couldn't help and to take it to the Warranty Shop. They informed that they wouldn't be able to look at for 2 weeks so I took it back to HD and got a new one and this one does the same thing. I'm pretty sure it's probably a pretty quick fix but no one seems able to te


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At the beginning the pressure washer was running but there was no power from the nozzle. I stop the gun trigger, remove the nozzle , it works for 1 minute and stop working again Now the washher pressure turns off on its own after 1 minute or less Honda 2400 psi


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North Star Model 157597 Pressure Washer from Norther Tool calims to have adjustable pressure. There is nothing in the manual about how to adjust the pressure and I have received two statements from them on how to adjust the pressure: 1. Adjust the pressure at the unloader valve 2. Run the motor at reduced speeds. Which, if either is correct?


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Hello, I own a Honda Pressure Washer (Porter Cable Model) with a Cat pump 2600psi and 6.5 hp. An Excellent machine for the past 7 years. Last fall I noticed it was not producing the full pressure but still Engine was running strong. This past weekend. started it up and used it for about 1 hour still with minimal pressure at full throttle. Then pressure was totally cut off. I stopped and started the engine the engine and it had minimal pressure again. Same thing happened again. I stopped the engi


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I have a G2500VH pressure washer that has started to pulse when the trigger is squeezed. This happens if I use the 0,25, and 40 degree nozzles BUT if I use the one for low pressure(detergent use) it will hold pressure fine. I have changed the unloader valve, checked all the valves and seals ad they seem to be fine. What could be the problem?


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I have a Dewalt 3800 pressure washer fitted with a 67DX39G11 pump. Started unit up for the first this year, has pressure for 15 seconds then nothing. Water is flowing through okay, everything seems in order but no pressure. Unit is 2 years old but has only 15 hours of total running time. I think the pump has failed, is it normal for a pump to fail with only 15 hours on the clock?


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Low pressure I have dewalt 3800 pressure washer and it went from working fine to a bit more pressure than a garden hose. The screen is clear at the water intake witch leads me to think it's the cat pump,but how do i know.


Hi\015\012some valves at cat pumps need a 100 psi pressure to open and close correct.\015\012when there is air in the pump the valves wil not open and close till air is bleeded.\015\012take of highpressure hose, open watertap and bleed pump till no ... Dewalt 3800 PSI Pressure Washer

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I have a Karcher 3.99 Pressure Washer. The motor appears to be working and water is passing through the machine when turned to the detergent application setting. However when the lance is tightened to turn on the pressure, no water is coming through. The Karcher is just over 1 year old David


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