I have a Karcher G 3000 BH pressure washer with the Honda GC190 6.0 HP engine. The engine starts and idols fine, but when using the pressure washer, the engine seems to surge. It will surge between working fine with high pressure to low idle and low pressure. Any ideas where to start?
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Karcher
Low water pressure no Matter which tip is used engine is fine
Karcher 3575 low pressure
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