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vilant · 05-07-2013

I looked through the 90 FSM, there's a PS test procedure. It says when the engine is up to operating temp. test with a pressure gauge, open the valve and pressure should not exceed 150psi. If it does, it says check for blockages. Don't know if that helps, could post a pic of the page if you want.

05-07-2013	#2
vilant Join Date: Jun 2012 Location: PA Posts: 770	Re: LT5 PS pump pressure? I looked through the 90 FSM, there's a PS test procedure. It says when the engine is up to operating temp. test with a pressure gauge, open the valve and pressure should not exceed 150psi. If it does, it says check for blockages. Don't know if that helps, could post a pic of the page if you want.