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HELP 99 sport nautique stumbles |
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CI Restorations 
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Joined: September-18-2015 Location: Kankakee Status: Offline Points: 33 |
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 Topic: HELP 99 sport nautique stumblesPosted: July-24-2016 at 6:50pm |
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99 sport nautique boat runs good but inconsistently stumbles at higher sppeds it usually stumble but take off again. At idle speeds it just dies and have to wait a few minutes it will restart. Sometimes it stumbles 10 times in 10 minutes but some days it never does it. It runs at 160 with good volts. It does it either hot or cold. Put a new ignition module on today did not help. Any ideas?
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Blamey
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Joined: August-18-2015 Location: White Plains,NY Status: Offline Points: 631 |
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Posted: July-24-2016 at 9:48pm |
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Most often this is a fuel pump issue.
What engine do you have? |
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96 Super Sport
Previously: 95 Sport Nautique, 1980 Ski Supreme |
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CI Restorations
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Joined: September-18-2015 Location: Kankakee Status: Offline Points: 33 |
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Posted: July-24-2016 at 10:02pm |
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5.8 pro boss gt40
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: July-24-2016 at 10:12pm |
This thread is just one of the many links to just about anything. It's out of the FAQ thread in the maintenance section. poor mans gt40 diagnostic |
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CI Restorations
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Joined: September-18-2015 Location: Kankakee Status: Offline Points: 33 |
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Posted: July-24-2016 at 11:34pm |
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do you know what the fuel pressure should be?
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CI Restorations wrote: