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    2007 Merc 4 Stroke EFI Issue

    Thankfully, the Vessel view helped me narrow it down to a faulty crank position sensor. Boat is running flawlessly now. For anyone that ever stumbles across this thread, you can save yourself a lot of time by purchasing a Vessel view. What I thought was a miss was actually my boat going into...
  2. P

    2007 Merc 4 Stroke EFI Issue

    Update: went through the entire fuel system again and made sure all lines were clear. Also tested fuel pressure and no issues there. Emptied tank and filled with fresh gas. After spending some time lake testing, my “miss” appears to actually be limp/guardian mode. I can’t consistently pin down...
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    2007 Merc 4 Stroke EFI Issue

    90 ELPT 4S This one has me super stumped. Literally pulling my hair out! Just got the boat so I’m unsure when it last ran correctly. Apparently the prior owner was having the same issue (but conveniently left that part out until after the sell). - Engine starts, idles and cruises at low...
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