Outdoor Power Equipment and Small Engines - Campbell Hausfeld Power Washer mod pw460

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Grump
05-01-09, 04:32 PM
My gas washer works fine, plenty of pressure but have to hold the trigger on the wand down to start the engine to get it to work & when I release the handle it kills the engine. This started after it had been in winter storage. Any ideas what could cause this problem? Put a new gasket & O'Ring kit in the pump a little over a year ago but it work fine up to now.

cheese
05-01-09, 09:21 PM
The unloader valve is stuck. You'll need to take it out, clean it and lube it, and possibly replace the o-rings on it.