Fix Pressure Washer Unloader Valve in 2 Minutes
If your pressure washer is not building pressure (and the engine is surging), there could be a few different causes. One of them is a sticking unloader valve.
Here we show you how to make sure the unloader valve on your home pressure washer is clean in just 2 minutes.
If this does not fix your pressure washer and make it build pressure again, then it is likely a water pump problem. We tackle that next time.
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