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Tammy GibsonAug 18, 2025
Why is the pressure fluctuating on my Kärcher Pressure Washer?
- PpatriciapaulAug 18, 2025
Fluctuating pressure in your Kärcher Pressure Washer can stem from several causes. The valves might be worn or blocked, requiring inspection and potential replacement. The pump could be sucking in air; thus, you should verify water supply connections. Worn piston packing or insufficient water supply (check filter and hose) may also contribute to this issue. Addressing these areas will help stabilize the pressure.