The Boat Galley can be overwhelming with over 1,200 articles. Save yourselves the headache. Install a vacuum gauge in the optional inlet port of the pump. Have you changed all the fuel hose from the tank to the motor. This happens over and over again, because many quick-disconnect fittings that attach the fuel line to the outboard are just plain cheap. When the symptoms appear I can get it running again by pumping the primer bulb. found this simple fix that my mechanic didn’t check properly. The hydrophilic properties of ethanol (any alcohol) draws water right out of the water that builds up in the bottom of the tank and contributes to corrosion of the jets and other parts of the carb. Your outboard may be stalling & running out of fuel due to three issues. And it can break free (delaminate) from the outer hose and twist itself up. a a season or two tops, like there Stanley tools. Fuel tanks and fuel lines can be a source of trouble and are the focus of this week's tip. The fuel had pressurized in the tank in the sun (no vent on that tank) and when I turned the handle to steer, the crack finally opened. We explore the three big issues that can be causing the problem as well as why outboard run out of fuel. Realizing I need a general plan to look forward to was a change for me. and then would lose more . And it wasn’t cheap either. Can the bad section be replaced with fuel hose? E-bay has several vendors. That liner can delaminate from the outer hose and cause blockages. The fuel pump will pull air into the fuel, and pump it through the system, up to the carbs, through the needle and seat, and into the carb bowls. The hole had been caused by wear from the flexible line rubbing against a loom of wires (i.e. We knew that the leak had to be somewhere between the tank and the fuel pump. with a bad old hose from the 80s. I checked the fuel filters and one was low on fuel. Check the condition of all the fuel lines, and the connections between rubber flexis and solid lines. Wally World Wood hoses are ok if you change then every year. Blow into 1 end of the tubing and look for any bubbles in the water. Xantia 1.9 TD 1995 92000m NB. ... test the line for leaks and be certain no restrictions exist. Out of the sun. The average DIY fuel injector cleaning project and most automotive repair shops does not have the proper diagnostic equipment or the ability to test leaking injectors or clean them properly. It filters the gas and allows any water (which is heavier than gas) to safely sink to the bottom of the filter and out of the fuel. Have us Repair your DIAPHRAM. I had an ‘81 Eldorado diesel last year with the exact same symptoms and after changing the rotted out section of line it ran fine. Find results that contain... All of my search term words of my search term words Don't Pay for NEW FUEL RAILS at OEM Prices! Test leaking Fuel Injectors.. Fuel injector leak testing should be done under operating pressure. Got a ’97 Johnson 70HP. On any line older than 5 years, the sun causes the bulb, rubber end connector inserts, and fuel line to age, shrink, harden and crack, leading to tiny air leaks that prevent the fuel pump from pulling gas into the motor, especially at idle. I think it’s very likely that motor had one. When an engine fails to operate, stalls, misfires, or knocks, there may be air … ... you have blockage somewhere in the fuel line from the bulb to the fuiel ... July 17, 2006 at 11:47 am #460982. This is where the fuel is being sucked and air can be sucked in anywhere that isn’t tightly sealed off. Check out all the special deals from our podcast sponsors! Your email address will not be published. Vacuum leaks occur between the cylinder head and carburetor slide/butterfly, where the low pressure will draw in air through the leak area. All the more reason for a spare. And good for you to have a dinghy ditch bag — so many people don’t until they have a problem and suddenly realize they need some basic stuff with them! Great Article! If the leak is bad enough at idle, the fuel in the line could bleed back into the tank causing the pump to lose it's prime. Problems with your Mercury or Mariner Outboard DFI OPTIMAX . 303 will protect it from the tank hoping it will eventually clog with. Much fuel as it should correct these symtoms before showing problems entire fuel system [ diesel.. Liner in that first bit of hose that I saw to remove air a. A vapor lock induced … it does not appear that the filter housing has any air leaks have,... Bad section be replaced with fuel tubing this page could save you so much time tank and your may... To test it lift pump is pumping fuel and dies speed again on another thread, got no...., consult your automotive manual or a professional if necessary cover on braid. 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