The only way to check this is to take the flywheel off and inspect the key. It is designed to break in half to protect the engine. The flywheel key is a safety precaution to protect the engine if the engine stops suddenly because of an opposing force. If all of those check out, examing the flywheel key is next. You can quickly test the ignition coil with a tester to determine if it needs replacing. If you have checked the spark plug and ensured that it is in working order, then the ignition coil should be tested. The third most common culprit is that the ignition coil may be faulty. Taking the carburetor apart and cleaning it with some carb cleaner will quickly fix this issue. Some of the elements in the fuel evaporate and leave behind a substance that is thicker and can clog the carburetor. Clogged carburetorĪ clogged carburetor can occur, especially if the pressure washer has sat for an extended period. You can use a spark plug tester if you want to make sure that the spark plug is the problem. Carbon can build up tremendously on the electrode and prevent an electrical connection between the electrode and the fuel. The spark plugs in small engines should be changed annually regardless of use. The defective spark plug is an easy fix you just replace the spark plug to check it. These are the most common problems and are relatively easy to test for and fix. You will want to check for a faulty spark plug, a clogged carburetor, a faulty ignition coil or a cracked flywheel key. Why won’t a Ryobi pressure washer start? There are several reasons why a Ryobi pressure washer won’t start and turn on. It is easier than it sounds, so let’s get started. We can pinpoint the problem by looking at the symptoms of the problem and the different components that make up a small engine. Other issues may require some routine maintenance or a complete overhaul/replacement of individual parts. Some problems are easy to fix and require minimal tools. Inlet Hose Filter, Inlet Valve, Bad Parts on the Injector, Think Detergent MixĬhecking the Ryobi pressure washer for the most common scenarios first is always going to be the better option. Spark plugs, Carburetor, Ignition Coil, Flywheel KeyĬarburetor, Fuel Filter, Fuel Cap, Air FilterĬlogged Water Line, Clogged Water Connection, Nozzle, Pressure Adjustment KnobĬlogged hose, Engine Speed, Leaks, Bad PumpĮlectrical Outlets, Fluid Levels, Faulty Engine, Obstructions After doing so, you can repair, adjust, or replace parts as needed. How can I fix my Ryobi Pressure Washer? You first need to isolate what is causing the problem. Rather than rushing down to the local hardware store, let us take a quick look at some of the most common reasons why the Ryobi pressure washer won’t function correctly. When your Ryobi pressure washer doesn’t start, stop, or stay on, it could mean several different issues that can be difficult to identify at times.
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