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2007 DF 50 intermittent no start

Old 07-13-2019, 08:34 PM
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Default 2007 DF 50 intermittent no start

Very intermittent no start problem. Need some help. 2007 DF 50 it will start fine most of them time but occasionally when you start it the fuel pump doesn’t come on. You can cycle the key some times twice or twenty times and it will finally go back to work. Only happens when on the water after starting and shutting it down a few times. It has never happened at the ramp on the initial start up or at the house. Any ideas I have already replaced the high pressure pump twice and replaced the low pressure pump and primer bulb.
Old 07-15-2019, 05:48 AM
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I would check all electrical connections for something loose or corroded if the fuel pump does in fact not run when trying to start. Being an intermittent problem it could be tough to track down.
Old 07-15-2019, 06:29 PM
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Originally Posted by Outboard Specialties View Post
I would check all electrical connections for something loose or corroded if the fuel pump does in fact not run when trying to start. Being an intermittent problem it could be tough to track down.
I have been through all the connections. That is why I was hoping somebody could shed some light with it being so intermittent. I have had a fuel pressure gauge hooked to it inline when it happened and there was no fuel pressure from the pump.
Old 07-16-2019, 07:04 AM
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The pump wires internal of vst could be the issue, there is a plug inside and may be a bad connection.

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