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2000 200hp with fuel pressure issues

Cut2Short

Member
Thanks for taking a look at my post, looking for some help with this motor. The motor is the VX200TLRY that seems to be running with very low fuel pressure from the pulse pumps causing it to die after idling for a while. I put a guage on them last weekend and found that they are only putting out about 2 PSI, my mercury with 1 pulse pump runs between 5 and 9 psi. I've checked all of the fuel lines and tried to isolate each pump but wasn't successful there but am wondering where I should look to improve the pressure. Replaced all of the fuel pumps about two years ago and all new tubing, replaced the fuel filter element and the one way valve after the filter. Any idea's on what to do next? I was going to set up an external fuel source to eliminate the tank as the issue but I'm struggling with identifying the problem.

Thanks for the time and advice.
Steve
 
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