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I have a briggs and stratton pressure washer 8.75 hp.it runs…

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I have a briggs and...
I have a briggs and stratton pressure washer 8.75 hp.it runs ok in fact it is brand new used it one other time.My problem is as soon as you apply water pressure it bogs down and dies,release the water pressure it runs fine,so can you help ?
Submitted: 3 years ago.Category: Small Engine
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Answered in 20 hours by:
6/29/2015
Technician: Ranwell1, Small Engine Technician replied 3 years ago
Ranwell1
Ranwell1, Small Engine Technician
Category: Small Engine
Satisfied Customers: 10,347
Experience: I Own a Lawn Mower Sales and service business (37years). Have 2-cycle and 4-cycle certification.
Verified
The problem is usually a stuck "Unloader valve" inside the pump.This is something that you should have a profeessional tear the pump apart and see if he can get the valve unstuck.
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