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canyonero

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Posts: 188
Reply with quote  #1 
2006 250 DZSPDR

Now I got the "no oil" issue resolved, my engine only revs to 4200 rpms, where I usually cruise. Of corse it should go to mid-5,000. I am thinking fuel restriction. I checked my lines, and the elbow under a he fuel filter coming from the fuel tank is pretty soft. Should it be soft? Could it be collapsing at higher rpms? Should I change it out, or is it normal? Thanks.
PhilH12

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Posts: 3,491
Reply with quote  #2 
Not sure on your motor, but if it's rubber fuel line, it shouldn't be very soft.  It does sound that you've had some phase-separated fuel, or it's just 'done' with age.

Don't keep trying to "rev" until you check it out, or just replace it.  Maybe the whole set of lines from tank to motor, and maybe inside?  Fuel starvation causes severe 'consequences' in many more ways than replacing a few $ hose - injectors, fuel pump, melted motor.  Ouch!  An expensive 'boat anchor'.  [bawl]

Check the hose itself, and do a fuel vacuum check per the Service Manual.

Phil

__________________
Always check the Easy Stuff First!
20' Weeres fishing pontoon
90 HP E-Tec E90DPLSUM  05184332
Lake Tawakoni, TX - Catfish Capital of Texas
canyonero

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Posts: 188
Reply with quote  #3 
Thanks, Phil. The lines are seventeen years old. Now I have to learn how to run a fuel line through a rigging hose.
PhilH12

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Posts: 3,491
Reply with quote  #4 
Shouldn't be too bad.  I often use electrical tape to fasten (don't skimp!) a cord or thin smooth wire to one end of the old line.  Pull the old line out, dragging the cord/wire through with it.  Then do the same with the new fuel line, and use the cord to pull it back through.

A second hand at the rear can help 'push' a bit, and keep things flowing smoothly into the rigging hose.  I also like a "smooth cone" of tape on the nose of the new line, so as not to hang up anywhere on the square edge of the new fuel line coming through.

Phil

__________________
Always check the Easy Stuff First!
20' Weeres fishing pontoon
90 HP E-Tec E90DPLSUM  05184332
Lake Tawakoni, TX - Catfish Capital of Texas
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