A Clogged CarburetorĪnother issue that could be preventing the pressure washing from starting is a clogged or broken carburetor. The easiest way to deal with this problem is to clean the air filter thoroughly, which can usually be done by running it under some warm water in the sink.Īlso if the air filter is too dirty or damaged, it will need to be replaced altogether. In extreme cases, this can actually cause the pressure washer not to start at all. If the air filter is too dirty and clogged up, the engine won’t be able to suck in enough air to keep cool. They filter the air so that the engine and pump does not get clogged up with outside debris. A Dirty Air FilterĪir filters are very important components of pressure washers. This will tell you if the spark plug is defective and if it needs replacing. You can always use a spark plug tester to see if it is still working. You need to take a look at the spark plugs to see if the porcelain insulator is cracked if there is a lot of carbon buildup on the electrode, or if the electrode is damaged or burned away. You probably won’t be able to actually fix a spark plug, plus it will be cheaper just to replace it altogether. If the spark plug has suffered from too much wear and tear or is just very damaged, you will have to replace it. A Defective Spark PlugĪnother cause of your gas-powered pressure washer not starting could be a defective spark plug. Removing air from the hose is a solution that many people try, one that often works very well. This will help the pump start and get water pressure flowing. Keep trying to pump water through the pressure washer until the air pressure has been removed from the hose. This is a problem that is pretty easy to fix. If there is too much air contained in the water pump and the hose, the engine might not be able to start, or at least the pump will not start. The problem could be that the fuel is not making it to the motor, in which case you will have to replace the pressure washer engine fuel pump, or at least seal it to prevent leaks or drops in fuel pressure. Check the fuel valve and ensure there is no clogged fuel filter in the fuel line as well. Using an improper fuel mix will result in a pressure washer that does not start, or it might cause severe damage to the components.Īt the same time, ensuring that the fuel pump which leads from the fuel tank to the motor is in working order is also a must. Moreover, also ensure that you are using the proper fuel mix for the pressure washer in question. Obviously, if the gas tank has no gas in it, the pressure washer won’t start. If you are using a gas-powered pressure washer, make sure that the gas tank has fresh gas in it. Making sure that everything is connected is a big deal here. You may be able to fix this issue yourself with some basic wire soldering, you can go to a professional, or you can replace the power cord. You should check to see that there are no breaks or rips in the wiring of the power cord. If the plug is not working right, you will need to fix the plug, or just plug the washer in somewhere else.Īt the same time, it could be the power cord that is broken. First and foremost, if you are using an electric-powered pressure washer, make sure that the AC outlet you have it plugged into is working properly. Of course, your pressure washer needs fuel in order to run. Probably the first thing that you should check before anything else is the fuel source. Try starting the pressure washer without any hoses or attachments attached to make sure there are no blockages causing starting difficulties Using a cord that is too light gauge can impact starting ability as well as cause performance issues while in use.ġ0. If using an extension cord, ensure it is properly plugged in and that the cord gauge is heavy enough for the power washer (12 gauge for less than 25 ft, 10 gauge for 25-50 ft, 8 gauge for 50-100 ft). Ensure there is enough fuel in the gas tank (for gas-powered pressure washers).ĩ. Release pressure from the pump by depressing the spray gun trigger or opening the pressure relief valve (if your model has one).Ĩ. Check for an air filter that is dirty or blocked.ħ. Check for a clogged carburetor or fuel filter.Ħ. Check the fuel pump is getting gas to the carburetor.ĥ. Check the flywheel key is intact and not sheared in half.Ĥ. Here are some troubleshooting tips to help you get to the bottom of the problem.ģ. There are a few reasons why your pressure washer may not start. You may also need to release pressure from the power washer’s engine. If you have a gas-powered pressure washer, make sure the carburetor is clean and that there is enough fuel. Check the spark plug, ignition coil, and gas tank. If your pressure washer won’t start, there are a few things you can do to troubleshoot the problem. Why Won’t My Gas Powered Pressure Washer Start? Some Possible Reasons
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