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Author Topic: At ramp, can't get pressure in fuel lines.  (Read 1598 times)

May 04, 2012, 10:44:05 AM
Reply #30

Blue Agave

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Re: At ramp, can't get pressure in fuel lines.
« Reply #30 on: May 04, 2012, 10:44:05 AM »
Regardless if there is ethanol on the boat or not, the previous owner may have used ethanol fuel.  If the fuel lines are not resistant to ethanol they could be damaged and preventing fuel from getting to the motor.  I had to replace a fuel line in mine due to ethanol damage,  no fuel was getting to the motor.

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May 05, 2012, 03:15:26 AM
Reply #31

fmaster360

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Re: At ramp, can't get pressure in fuel lines.
« Reply #31 on: May 05, 2012, 03:15:26 AM »
Quote from: "Blue Agave"
Regardless if there is ethanol on the boat or not, the previous owner may have used ethanol fuel.  If the fuel lines are not resistant to ethanol they could be damaged and preventing fuel from getting to the motor.  I had to replace a fuel line in mine due to ethanol damage,  no fuel was getting to the motor.
Ok, well I guess it's probably a good idea to replace the fuel lines then. How does the line in the tank work? Is there a line that goes to the bottom of the tank to pick up fuel?

Quote from: "slvrlng"
Using that method, how long did it take for the bulb to expand? Once it was fully expanded and holding it vertical, did any air come out when you squeezed it? Did you get a nice stream of fuel when squeezed? Did it refill itself again?
I'd say about 10 pumps. Once it was fulled, it seemed that a bit of air would still come out when squeezed, but there was enough of a stream to hook it back up to the engine, and once connected to that, it got 100% solid with fuel.

Side note: When I install the fuel/water separator, I'm guessing I need to fill that up all the way with fuel before assembling it into the mount, as I'm reading in the past pages?
Carl
\'00 Osprey 205 w/ 200hp Ocean Pro

May 05, 2012, 07:22:41 AM
Reply #32

Aswaff400

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Re: At ramp, can't get pressure in fuel lines.
« Reply #32 on: May 05, 2012, 07:22:41 AM »
Quote from: "fmaster360"

Side note: When I install the fuel/water separator, I'm guessing I need to fill that up all the way with fuel before assembling it into the mount, as I'm reading in the past pages?
yup, if you dont, you'd never get that primer bulb to prime
Aaron
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May 05, 2012, 10:21:42 PM
Reply #33

wingtime

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Re: At ramp, can't get pressure in fuel lines.
« Reply #33 on: May 05, 2012, 10:21:42 PM »
More on the ethanol subject Fernando brought up.  I have seen fuel lines that were soft a gummy from ethanol.  I mean REALLY soft!  The line could be collapsing under suction.   Something else is going on here.  Your finger trick is basically a check valve.  The same thing the check valves in the primer bulb should be doing.  Strange...  I'd like to see that thing in person.
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May 06, 2012, 10:38:07 AM
Reply #34

John Jones

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Re: At ramp, can't get pressure in fuel lines.
« Reply #34 on: May 06, 2012, 10:38:07 AM »
Quote from: "wingtime"
More on the ethanol subject Fernando brought up.  I have seen fuel lines that were soft a gummy from ethanol.  I mean REALLY soft!  The line could be collapsing under suction.   Something else is going on here.  Your finger trick is basically a check valve.  The same thing the check valves in the primer bulb should be doing.  Strange...  I'd like to see that thing in person.

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May 06, 2012, 12:15:39 PM
Reply #35

fmaster360

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Re: At ramp, can't get pressure in fuel lines.
« Reply #35 on: May 06, 2012, 12:15:39 PM »
How hard is it to run new fuel line? I am guessing there is some fuel line that goes down into the tank as well?
Carl
\'00 Osprey 205 w/ 200hp Ocean Pro

May 06, 2012, 12:37:05 PM
Reply #36

wingtime

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Re: At ramp, can't get pressure in fuel lines.
« Reply #36 on: May 06, 2012, 12:37:05 PM »
Should be a metal or other hard type plastic pickup tube in the tank.  I'm not that familiar with your boat but it should be pretty easy to snake a new line in there...  probably a good idea anyway.
1998 Explorer w/ Etec 250


1987 170 w/ Evinrude 90

May 07, 2012, 01:06:16 AM
Reply #37

fmaster360

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Re: At ramp, can't get pressure in fuel lines.
« Reply #37 on: May 07, 2012, 01:06:16 AM »
So, don't open the tank, and replace fuel line from the barb on tank that I replaced, to the separator, to the engine? Skip putting new line in the tank? Best place to get the fuel line? And while I'm at it, should I relocate the bulb to inside the transom?
Carl
\'00 Osprey 205 w/ 200hp Ocean Pro

May 08, 2012, 03:35:58 PM
Reply #38

fmaster360

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Re: At ramp, can't get pressure in fuel lines.
« Reply #38 on: May 08, 2012, 03:35:58 PM »
I'm going to replace the fuel/water separator today. I have a sneaking suspicion that it is part of my problem since it's so old. Does the filter resemble an oil filter on a car? I just fill it up with gas instead of oil, and then hand tighten it? Thanks in advance.

Oh, what's the best place to order the fuel line?
Carl
\'00 Osprey 205 w/ 200hp Ocean Pro

May 08, 2012, 03:52:09 PM
Reply #39

gran398

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Re: At ramp, can't get pressure in fuel lines.
« Reply #39 on: May 08, 2012, 03:52:09 PM »
The filter will fill itself when you pump the bulb.

Below the elbow going into the tank is an aluminum pickup tube, if the tank is aluminum. If the tank is poly, the tube will be hard white gas-resist plastic.

Did you check for an air leak? You can use soap suds, etc.

May 08, 2012, 04:53:25 PM
Reply #40

fmaster360

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Re: At ramp, can't get pressure in fuel lines.
« Reply #40 on: May 08, 2012, 04:53:25 PM »
I'll try, but I don't think I'll find it if there is one because the entire fuel line is pretty much inside the hull. The fuel water separator has a thing ring gasket freely in the box. Which side does that go on? Top or bottom?
Carl
\'00 Osprey 205 w/ 200hp Ocean Pro

May 08, 2012, 05:46:05 PM
Reply #41

fmaster360

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Re: At ramp, can't get pressure in fuel lines.
« Reply #41 on: May 08, 2012, 05:46:05 PM »
Fuel water separator went in without too much of a PITA. Problem still exists. I guess it's time for all new fuel lines.
Carl
\'00 Osprey 205 w/ 200hp Ocean Pro

May 08, 2012, 08:18:01 PM
Reply #42

gran398

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Re: At ramp, can't get pressure in fuel lines.
« Reply #42 on: May 08, 2012, 08:18:01 PM »
Hi,

At some point, its time for a professional diagnosis. How far are you from Weeki-Wachee :?:

 


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