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Sep
78L Mercury Synthetic blend 25-W40 engine oil 1x 92 858064K01 946mL high performance Item up for sale is a used fuel pump and filter set off of a 2005 Mercury 90hp ELPT EFI outboard. Some of the Mercury 25 HP 4 stroke motor users have complained that the motor sometimes sputters or constantly loses more power than usual.
Originally Posted by fordrocks.
Mercury 4 stroke efi fuel pump symptoms. And switch failure does not set a code. If you have a Mercury EFI 4 stroke I recommend you get to know the symptoms of FSM problems and dont let the shop BS you around installing filters and replacing fuel line bulbs. This isnt caused by ethanol but by cheap OEM sourcing by Merc.
Next time itll be a Honda for me. A robust electrical system with a high-output alternator to keep batteries charged and fishing Mercury 4 Stroke Efi Fuel Pump Symptoms 1 day agoMercury 4 Stroke Efi Fuel Pump Symptoms. Strating SN 2002 and Above Starting Model Year 0T409000.
When it starts to act up. The fuel pump relay then sends B to the fuel pumps. Combustion Cycle 4 stroke.
It almost sounds to me like you may have a bad plug wires or a coil issue. 78L Mercury Synthetic blend 25-W40 engine oil 1x 92 858064K01 946mL high performance Item up for sale is a used fuel pump and filter set off of a 2005 Mercury 90hp ELPT EFI outboard. New lower fuel pump gasket.
Mercury 4-Stroke 50 HP EFI fuel pump problems. I have owned this motor for about seven years only use it for crappie and ducks. I began to have a problem with fuel pressure last summer and now have had 4 new fuel pumps installed a dealer.
Mercury KNOWS they have a problem with these motors they have re-designed the fuel pump several times but. Originally Posted by fordrocks. I am having a problem with my 2006 90 Mercury 4 stroke efi.
It starts idols and runs great but at full throttle it keeps wanting to shut down every now and then. Feels like its out of gas but if i drop to half throttle it runs fineI can troll all day with no problems and it doesnt happen every time i use it. 2008 115 HP Mercury EFI 4-stroke fuel problem.
Engine recently just started running extremely poorly. At one moment cruising along at 4500 to 5000 rpms the next moment hard to keep from dying then back to running just great. Could a low andor high pressure fuel filter fuel module fuel injectors or.
2006 Merc 115 EFI Fuel Pressure Problems. I have a 2006 Merc 115 that I am having fuel pressure issues with. Under power 3000 RPM it shows a 40 psi when you first start.
It will run for about 20 minutes at this pressure and then it will start to fall off. It drops to 35 then 30 then 25 and the motor starts to studder and then it will fall all. I have a 2006 merc 4 stroke 25 hp efi outboard.
Bought it used but it ran fine. I believe they used ethanal fuel in it i ended up replacing the fuel pickup tube in the tank it cracked off i replaced the primer bulb because it split in two. 90 of all outboard EFI fuel problems are really ignition problems.
Your ECU is connected to your ignition and a problem there will cause EFI problems. If you have a spark gap tester check at cranking speed for a strong 716 open air spark on all cylinders. If one bank of cylinders shows weak you might have a bad switchbox.
Some of the Mercury 25 HP 4 stroke motor users have complained that the motor sometimes sputters or constantly loses more power than usual. This particular issue occurs when they take out their outboard to use after several months of not using. 2009 Mercury 90HP EFI 4 stroke with about 70 hrs.
Out boating for about an hour. Everything going fine and then while sitting idling for a few minutes the engine cut out. I restarted it and.
In November last year I purchased a new 60Hp Mercury 4 Stroke from a reputable dealer in the Sutherland Shire. Engine has had its first 20hr service. Never filled with E10.
After around 35hrs the fuel pump that runs off the cam shaft and delivers fuel to the engine just died. Mercury Marine 405060 HP 4-Stroke EFI Oil Change Kit Mercury 25W-40 Marine Engine Oil features high-tech advanced anti-wear additives that provide up to 35 better camshaft wear protection. Use a Coast Guard approved fuel line between the filter and the fuel pump.
Command off fuel pump 3. There appears to be three filters in the fuel system for this engine. Not familiar with it so dont really know what they all do but i dont think there is a filter between the injector pump and the injectors although there is one associated with the pump.
I agree with the. The next stage is the low pressure pump which feeds fuel into the airfuel separator. Thats like a big carburetor bowl with float and and needle valve.
In the bottom of the airfuel separator is the high pressure pump that feeds the injection system. We had one of those fail on our Mercury BigFoot EFI 60 and the motor was very hard to start. Wrd1972 wroteThe Mercury 90hp 4 cycle EFI motor starts great cold and runs strong without issue.
However once its turned off for an extended period of time say 30 minutes it starts fine but runs like crap. May fit additional models to those listed above. Please DO NOT order based solely on application info above.
You MUST compare the oem number of the part for your engine to those listed below to. I have a 2005 Mercury 90HP four Stroke EFI that I purchased on a 17 boston Whaler summer of 2005. Only have about 25 hrs on it.
Had the 10 hr maintenance done on it by a certified mech. And winterized end of 2005. Beginning summer of 2006 Ive started having quite a few problems with the engine.
Here is what is happening when I try to start it with a full tank and primer bulb hard it will. Striking autumn and winter Mercury Mariner Fuel Pump 75 80 90 100 HP EFI 4-STROKE 2005-2006 880889 T02 Long-term durability Item specifics Condition. Aftermarket Manufacturer Part Number.
AFT-880889T02 OEM Interchange 2. Hey Guys I have a 1997 Merc 4-stroke 50 hp tiller motor and while out fishing this past weekend I hit some rough water not sure if this even has anything to do with it but was going full speed hit the waves then I reduced the speed until calmer water. 115HP Mercury 4-stroke EFI.
Like all equipment If you want to enjoy your outboard trouble free for many years it must be serviced and proper maintenance should be followed. Adding fuel conditioner should be done first to give it time to mix with the entire fuel tank before running the engine. Your hand pump should have a.
I have a 2007 Merc 90hp 4 stroke EFI. You have dirty or clogged fuel jets. Most likely the low speed pilot jets.
You will have to remove and take apart the carbs to clean the jets. Posted on Oct 28 2016.