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Old 08-21-2012, 03:00 PM   #11
Dave R
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Quote:
Originally Posted by NoBozo View Post
I'm afraid I have never heard this in my 70 years about a gas engine.

However, when a Diesel runs out of fuel, you have to bleed the injectors to get the air out. It's easy enough to do, as the Yanmar diesel I had had bleed valves built in to do it. NB
Yeah, I was pretty shocked when I could not get it to run the first time I changed the fuel filter. The fuel pump draws fuel from the tank, through the fuel filter and then pressurizes it for the MPI system. The "brains" of the system allows the fuel pump to run for a few seconds when you first turn the key on, then the pump shuts off and presumable turns on again while cranking the engine. It does not hold the vacuum to the fuel tank well enough to fill the filter, no matter how many times I cycle the key on and off and letting the engine crank for a long time is not good for the starter or the batteries. If I pour a few ounces of gas in the filter before installing it, it fires right up and runs perfectly. From what I've read on line, this problem is pretty common and is likely a function of the boat design more than the engine.
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