Why Kärcher K 2 Plus unit does not reach high-pressure?
- TtanyaarmstrongAug 15, 2025
If your Kärcher Pressure Washer isn't reaching high pressure, the diameter of your garden hose might be too small; replace it with a 16 mm (5/8 inch) or larger hose. Also, the water supply could be restricted; check the garden hose for kinks, leaks, and blockages. Ensure there's enough inlet water supply by opening the water source fully. The water inlet filter might be clogged; remove it and rinse it in warm water. Finally, the spray wand may be in the low-pressure position; turn it to the high-pressure position.