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Fuel Tank/System Problem

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Topic author
tomkaz
Posts: 2
Joined: Fri Feb 26, 2021 11:23 am
Vessel Info: 1984 228 Sportsman

Fuel Tank/System Problem

Postby tomkaz » Fri Feb 26, 2021 11:53 am

I have run the boat from an external fuel tank to determine if I have a tank/fuel system issue. I do. A few questions about the fuel tank/system. Can the fuel pickup be removed? Is there a screen at the end of the pickup that may be plugged? There are two fuel pickups. I have checked for an anti syphon valve in the pickup that feeds the fuel water separator, and there is none. I replaced the very corroded tank vent and that did help a lot. The symptom is that the boat decelerates (when at running speed) after 30 seconds to a minute. This does not occur when running from an external tank. What other items in the fuel tank could cause this behavior? I have checked for water via the separator, and it looks clean. I have heard that there could be sediment in the tank that is sloshing around and prevents full flow to the pickup. Any information on how to fix this problem would be appreciated.

tomkaz

User avatar

CptBill
Posts: 766
Joined: Fri Sep 07, 2018 6:37 am
Vessel Info: Jester Toy
2002 270 Coastal, Twin Yamaha 4 stroke 250
330Larson Cabrio twin 5.7l EFI V.P duo props
2760 Regal commodore
40' pacemaker flush deck
2855 Bayliner, 25' Marathon aft cabin
Location: Hudson Fl
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Re: Fuel Tank/System Problem

Postby CptBill » Fri Feb 26, 2021 3:30 pm

If it's any thing like mine the fuel pick up is part of the tank, I would suspect that there may be a sock on the end of the pick up. You might try pulling the fuel sending unit, drain the tank and look in it with a mirror in an extension to see what you've got
Never Ever Ever do anything that test your wife's memory :captain:

Topic author
tomkaz
Posts: 2
Joined: Fri Feb 26, 2021 11:23 am
Vessel Info: 1984 228 Sportsman

Re: Fuel Tank/System Problem

Postby tomkaz » Wed Mar 03, 2021 10:21 am

Thanks CptBill,
After I pulled the fuel intake out of the tank, I discovered that the intake tube has a screen that fits into the top of the tube. The screen was completely plugged. In addition, there was a piece of plastic stuck in the intake tube itself. The debris in the screen looked like a rats nest. It included stuff that looked like hair, metal, cardboard and something that looked like heavy fuzz. Check out the attached images. I have no idea how all the stuff got into the tank. When I removed the port hole that enables a view into the tank, it looked very clean. There were some small bits of something or other visible, but nothing that seemed detrimental.
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User avatar

CptBill
Posts: 766
Joined: Fri Sep 07, 2018 6:37 am
Vessel Info: Jester Toy
2002 270 Coastal, Twin Yamaha 4 stroke 250
330Larson Cabrio twin 5.7l EFI V.P duo props
2760 Regal commodore
40' pacemaker flush deck
2855 Bayliner, 25' Marathon aft cabin
Location: Hudson Fl
Has thanked: 38 times
Been thanked: 132 times

Re: Fuel Tank/System Problem

Postby CptBill » Thu Mar 04, 2021 2:57 pm

Wow, it does look like some sort of critter got to it, you have to wander where all that came from. Was it sitting for an extended period of time at some point, but then how would something get in there? best guess would be it just disintegrated from age. Any way glade you found it
Never Ever Ever do anything that test your wife's memory :captain:

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