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Old 07-02-2008, 08:22 PM
  #11
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Originally Posted by Brent Medley View Post
One of my 500 EFI's w/Whipple supercharder does the exact same thing.......swapped the IAC from the other motor and it does the same thing.........I'm stumped also
You have to adjust the idle with a scan tool then. In neutral, adjust the mechanical stop so the IAC rest between 0-20 counts (have to let it stabilize). Then, in gear, it will go between 80-140 depending on prop and gear ratio.

You must also clean the IAC filter (on Whipple kits) a minimum of once a season, otherwise it won't get enough air and will idle all over the place.

Thanks,
Dustin
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Old 07-02-2008, 08:36 PM
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Originally Posted by Whipple Charged View Post
You have to adjust the idle with a scan tool then. In neutral, adjust the mechanical stop so the IAC rest between 0-20 counts (have to let it stabilize). Then, in gear, it will go between 80-140 depending on prop and gear ratio.

You must also clean the IAC filter (on Whipple kits) a minimum of once a season, otherwise it won't get enough air and will idle all over the place.

Thanks,
Dustin
thanks, I'll try it
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Old 07-02-2008, 08:57 PM
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No problems with mine but it does help to pause between shift manuevers. i.e do not go directly from forward to reverse, pull to neutral for a moment then back into gear.
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Old 07-02-2008, 09:40 PM
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Chuck,

Give me a call tomorrow at the marina. I had the same issue with one of the boats we had in the shop.

Tom/Charlie

Last edited by MahopacMarine; 07-02-2008 at 09:47 PM.
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Old 07-02-2008, 09:47 PM
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How long does it surge before it settles?
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Old 07-02-2008, 09:50 PM
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Chuck,

Give me a call tomorrow at the marina. I had the same issue with one of the boats we had in.

Tom/Charlie
Tom/Charlie,

Ok, heard you the first time! Ha ha

Hope you guys have a great 4th of july!

Dustin
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Old 07-02-2008, 09:52 PM
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Originally Posted by Whipple Charged View Post
Tom/Charlie,

Ok, heard you the first time! Ha ha

Hope you guys have a great 4th of july!

Dustin
Sorry Dustin......

It must be an East Coast thing

Enjoy the 4th man. Talk to you soon.

Tom
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Old 07-02-2008, 10:26 PM
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Throttle cable? On a fly by wire control? I don't think so.
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