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    Intermittent "surging" issue

    I haven't checked it yet, but I will definitely do that. I just put a fuel pressure meter right onto the shraeder valve on the VST, right? Also, this motor doesn't have a fuel rail per se. It's just high pressure lines after the VST that go into a distributor sort of thing.
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    Intermittent "surging" issue

    I have a separator, and the gas is very new. Maybe a month old.
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    Intermittent "surging" issue

    This is a 2005 50HP Mercury EFI. It's been having weird fuel delivery issues that have been intermittent and displaying a wide variety of symptoms, making it really confusing and hard to diag. It started with low idle while warming up, to excess fuel spilling out of the VST at idle (twice), and...
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    2005 50HP EFI - Fuel spilling out of VST overflow at idle and also stalling at idle

    This is what I'm looking at to try to help myself understand how the fuel pump works. I'd just take it apart but I a little more input before that step so I don't unecessarily damage a diaphragm.
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    2005 50HP EFI - Fuel spilling out of VST overflow at idle and also stalling at idle

    This is a Mercury 2005 50HP EFI outboard. The SN is 0T991605 Was out yesterday and noticed fuel coming out of the VST overflow, only at idle speeds. This hasn't happened before, and only happened for two times and idle speeds, then stopped. Later on, when putting the boat on the trailer, the...
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    Stiff throttle, and it's not the cables or shifter!

    Okay gotcha. Will I have to throttle up as well? It'll stall if I don't, right? I guess there will be no resistance on the prop though so it might just not stall.
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    Stiff throttle, and it's not the cables or shifter!

    I kind of have an idea of how to do that, but I just want to pass it by you so I don't damage anything. Would I disconnect the shift cables and then manually move the shift rod while having someone spin the prop? And moving the throttle rod to test if it's stiff wouldn't do any harm right? And...
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    Stiff throttle, and it's not the cables or shifter!

    I've got a 19 ft Carolina Skiff with a 2005 Mercury 50hp EFI 4 stroke that has a stiff throttle. It's not impossible to use and have been running it with a stiff throttle for a while now. It just takes more effort than it should. I hung the cables and dripped oil through them recently and tore...
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