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Hi Kris, my name is***** read what you wrote. Nobody is going to know what your issue is without any testing. What needs to happen is 2 things. Either 1, run the engine off of an alternative fuel tank and see if it does the same thing on a portable tank or not. And 2, if it does do the same thing on the portable tank, hook up a fuel pressure gauge to the engine and see if fuel pressure holds steady or see if it's dropping when engine RPMS's drop. Is that something you can do?
Oh there are no time limits here so take your time. Simply post back here once you have some results and we can take it from there. Let me know how you make out.
If the engine runs then the VST pumps is working to some degree. If the pump was totally dead there would be zero fuel pressure, and the engine would not start at all.
Hello, any progress on checking the fuel pressure?
To check the coil packs what you are going to need is an adjustable gap spark testing tool. You can get these at most better auto parts stores or someplace like amazon. Click this link to watch a video, this is actually a car but the process for checking coil output is the same on a car as it is on an outboard - https://www.youtube.com/watch?v=k5dn0zurj2Q
You are most welcome. Let me know how you make out.
I see it. Run the engine off of a different fuel tank, such as a portable, and let me know if it does the same thing on the portable tank.
Are you able to hook up a fuel pressure gauge to the motor in order to see if fuel pressure is dropping when the engine looses power?
Snap on or OTC.
Glad to hear you got it. That debris would have shown up as low fuel pressure if we had tested it. On the fuel line, you really want to switch that to marine grade fuel line for 2 reasons. The first is it's technically illegal to run automotive fuel line in a boat. But the 2nd reason is it simply will not hold up to the sun. If you have a length of fuel line between the motor and boat that is exposed to the sun it is going to be rotten in a few months time, and you will be back to where you started.
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The stuff I use comes from Evinrude directly, but you can get fuel line from any dealer. You want what is called low permeability fuel line.
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Thanks again and good luck!