2007 Ski Nautique stalled and stopped |
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SkiDoc
Newbie Joined: February-02-2018 Location: long Beach, CA Status: Offline Points: 14 |
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Posted: September-13-2018 at 10:25am |
After 2 hours of skiing I was driving at 5-8 mph back to the dock and the engine chugged and stalled. It restarted, but might have been missing a bit (or I was overly sensitive). Temp was ok. 3/8 full of fuel. One guest "smelled fuel" but no one else did. No problems pulling up skiers this outing, but 4 weeks ago I had one episode of lag/low power when picking up a skier. Resolved and didn't recur. 290 hours on the engine. I have since started and run the engine at idle at the dock with no problems. I've had the boat 2 years. No fuel filter change. Oil and oil filter changed at 265 hours 3 months ago. Boat is used in inland salt water in Southern California, stored on a lift, and flushed after each use. Any suggestions about what to check for or what I might be dealing with? Thanks!
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SNobsessed
Grand Poobah Joined: October-21-2007 Location: IA Status: Offline Points: 7102 |
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Change fuel filters.
Check fuel rail pressure. |
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SkiDoc
Newbie Joined: February-02-2018 Location: long Beach, CA Status: Offline Points: 14 |
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Thank you. My skill set is low to medium (I changed out the starter and did the oil change myself). Is it complicated to change fuel filters? Didn't know there was more than one! I don't know how to check "fuel rail pressure." I'm willing to learn, so long as there is a low chance of wrecking something.
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Orlando76
Grand Poobah Joined: May-21-2013 Location: Mount Dora, FL Status: Offline Points: 3108 |
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There’s a shreader valve (like a tire stem valve) on the fuel rail which feeds the injectors. Go to Harbor Freight and buy a fuel pressure gauge and screw it on valve and crank boat, observe pressure before changing filter at idle and the 3200 rpms or so. I seem to recall that motor wanting 47-56 psi.
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JoeinNY
Grand Poobah Joined: October-19-2005 Location: United States Status: Offline Points: 5693 |
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Showing itself at low speed it's possible you have a drippy injector or two - I would run a few tanks of fuel injector cleaner through it in addition to the above suggestions.
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