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peter59Aug 21, 2025
Why does the output pressure of my Kärcher G 3025 OH vary?
- Rrebecca34Aug 21, 2025
If the output pressure of your Kärcher Pressure Washer is fluctuating, it could be due to several reasons. Ensure there's enough inlet water supply by turning the water on full force and checking for kinks, leaks, or blockages in the garden hose. The pump might be sucking air; check that hoses and fittings are airtight, then turn off the machine and purge the pump by squeezing the trigger gun until a steady flow of water emerges through the nozzle. Also, the water inlet filter might be clogged; remove it and rinse it in warm water. The spray nozzle could be obstructed, so blow it out or remove debris with a fine needle. Lastly, the gun, hose, or spray wand might be calcified; run distilled vinegar through the detergent suction tube.