2006 Tohatsu/ mercury 25 hp efi no start

luvsno

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Joined
Jul 28, 2013
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Hi all, having problems with our little engine. It will not start with electric start but pull it over with the rope no problem and will run all day. It will crank with the starter but does not run the fuel pump to generate fuel pressure. No alarms or lights on. I have put the jumper on from ecu to good ground but still nothing. Thinking oil pressure switch has input to ecu but it doesn't explain why it starts with the rope. thanks in advance. Won't see it for a few weeks now but i'd like a few ideas.
 
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