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warrenchandlerAug 13, 2025
How to fix GreenWorks GDC40 Pressure Washer that has low pressure?
- KKevin ScottAug 14, 2025
If your GreenWorks Pressure Washer isn't reaching high pressure, several factors could be at play. Start by checking the garden hose diameter; it should be 1” (25 mm) or 5/8” (16 mm). Ensure the garden hose isn't blocked and that the water supply is fully open. Verify the nozzle is correctly installed on the spray wand. Lastly, inspect the water inlet filter and clean it in warm water if it's blocked.