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Old 07-17-2012, 01:50 PM
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JimN JimN is offline
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Originally Posted by jmhjgh View Post
Do you think a bad fuel line could stop both injectors temporarily? I would think bad lines would slowly slow the boat, and not behave like someone is turning the ignition off and on. I need to tow the boat home so we can run some more tests.
Did you check the fuel pressure? Do it at Key ON/Engine OFF, Idle, 2000 RPM and WOT. These are the recommendations from Indmar and MC. If you watch the gauge as you pass through the 3200 RPM area, it's probably dropping and this is most commonly caused by carpet fivers or other contaminants in the fuel pump screen, at the pump inlet. You don't need the boat at home for this but you can't do this on the trailer- it needs to be in the water, under normal load.
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