2006 Mercury Verado 200hp efi v6

by Greg
(Delaware, Ohio, USA )

I replaced everything in the fuel supply module due to the motor not starting. When I dump all the gas out of the FSM then turn the key on I can hear the low pressure lift pump working as it should, it fills the FSM to trigger the high pressure pump and release some fuel with the valve on top of the fuel rail, it seems to work as it should and gas shoots out the top and I am able to start the motor. A minute or less goes by and the motor dies and then there is very little to no fuel at the top of the fuel rail when pushing the valve at the top of the fuel rail.

Can anyone tell me why I am loosing fuel pressure on the high pressure side of the motor to feed the rail and injectors?

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