He left gas in it and now when he goes to use it, it won't idle well. The thing is, you have fuel and air, you'll get the symptoms you describe with fuel starvation rather than too much air. It’s driving me nuts! Last Update: ... Kohler SV600 Engine Surging; 20 hp Intek V twin issue; Everride warrior 60" wont start. Already put new fuel pump on. Krown will give the underside a good go with a pressure washer before treating inside and out. He's only used it 2 or 3 times. But on a pressure washer, where you consistently go from zero load to full load … ... Engine bogs down under load, whenever spray gun is triggered. A heavier spring would break this system and it would end up running too fast under light load, likely resulting in damage. The pump or engine bearing(s) have failed. Get shopping advice from experts, friends and the community! I have a Honda Pressure Washer GCV 160. Pressure washers are not infallible. I have a Generac pressure washer model 1674-0 that has the MTPV82940 pump. The fix: Check and repair the cooling system. Owners of pressure washers often report symptoms that are difficult to diagnose, like low pressure, high pressure, no pressure, surging pressure, and pump issues. Lost. Hydro Tek pressure washer troubleshooting guide will help you in troubleshooting the common problems with pressure washers. There is no idle mixture adjustment. So I installed it, however I am getting a really bad idle surge. It hunts and surges. I had the same exact problem on my air compressor w/a Honda engine.It also ran just fine until a few seconds under load, then quit. This usually happens near the fully closed position. Re: Pressure Washer RD80702 EFI is great stuff if properly utilized. If the engine has a choke, then the best way to be sure that is where your problem still lies is to put the choke on slowly to see of the surging goes away, same with the dying under load. I've got a troy bilt briggs and Stratton pressure washer. There are 20 pressure washer issues that are by far the most common. Replace the Spark Plug. The a. Engine needs to be repaired or replaced. If low, take it to a mechanic, as repairing or replacing a fuel pressure regular is generally not a DIY job. A Diesel engine just needs enough air to get the pressure in the cylinder to the correct level for ignition. Does the engine start and run smoothly otherwise? Engine starts easy and runs well but has problems with washer bogging down and stalling after several minutes of use. ... Water that is being recirculated through the pump under pressure will get hot. Runs ok until put under load from washer pump, then it sputters and dies. My HR215SXA (with the Honda GXV140 and the Roto-Stop blade clutch) does not surge at idle nor under load. It hunts and surges. These tips covers a number of issues that can occur with your pressure washer and how to troubleshoot them. The engine may be running too hot. He left gas in it and now when he goes to use it, it won't idle well. I ran it for about ten minutes (I can't remember if I let go of the throttle of not) but all the sudden the engine goes brrrrrrrrrrrrrBBBBRRRRRRRR super high idle/surge but when it's under load it preform normally. See Small Engine Mechanic for repair or call us for technical support. Generally, this means that the flow rate required by the pump cannot be supported by the water supply. The pressure is also consistently less than what it was when unit was new. Here’s how we know what they are: Reading 300+ emails from pressure washer users asking for help to solve their machine’s issues and counting the occurrences of each fault in an Excel spreadsheet. It's about 3-4 years old. The engine fired up first pull and with the 65degree tip or the foam gun it sprays well, but with the narrower tips it runs for a couple minutes and then cuts out and starts surging. When the engine has no load, the throttle plate is barely cracked open and most of the fuel is metered through the idle circuit. A restricted idle circuit will cause surging at all speeds when the engine is run under a no load condition.