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Dec 30th, 2023
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 Can you adjust your idle??
#2527979
08/07/08 01:46 PM
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Joined: Feb 2007
Posts: 861
Topwater13
OP
Pro Angler
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OP
Pro Angler
Joined: Feb 2007
Posts: 861 |
I have a 1999 merc 225efi and was wondering...it seems(especially in summer) that it just isn't keeping up enough rpms. Sometimes it even stalls out. My motor is not all the way down either. There is plenty of room to see the tattle tail.
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 Re: Can you adjust your idle??
[Re: Topwater13]
#2528770
08/07/08 05:18 PM
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Joined: Feb 2006
Posts: 48,345
OldFrog
TFF Guru
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TFF Guru
Joined: Feb 2006
Posts: 48,345 |
When did you last replace the plugs? If not recently, I'd start there.
Now, Donald...please pick John Bolton for your running mate.
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Re: Can you adjust your idle??
[Re: OldFrog]
#2528849
08/07/08 05:31 PM
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Joined: Dec 2006
Posts: 3,307
Dayne
TFF Team Angler
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TFF Team Angler
Joined: Dec 2006
Posts: 3,307 |
I took my tech to a friend's house and had him adjust the idle on a 175 Merc. It was doing 650 and the tech set it for 850. It had a real problem of starting and dying before the adjustment.
While he was there he also changed the impellor, plugs and lower unit fluid.
NOW SHE PURRS.
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Re: Can you adjust your idle??
[Re: Dayne]
#2529080
08/07/08 06:26 PM
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Joined: Feb 2007
Posts: 861
Topwater13
OP
Pro Angler
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OP
Pro Angler
Joined: Feb 2007
Posts: 861 |
Plugs are less than a year old but I will change them anyway!
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Re: Can you adjust your idle??
[Re: Topwater13]
#2530516
08/08/08 09:46 AM
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Joined: Aug 2006
Posts: 7,186
steve@S2Marine
TFF Celebrity
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TFF Celebrity
Joined: Aug 2006
Posts: 7,186 |
on that efi, you have a throttle position sensor. it needs to be set by a technician with a DDT.
you can do it with the adjustment bolt, but you need to make sure the TPI is set correctly before messing with the bolt!!!!
S2 Marine 714 S. Main Quitman, Tx. 75783 www.s2marine.coms2marinesales@gmail.com Blazer Boats, Excel Boats, Sun Chaser Pontoons, Thor boats, Legend Craft Boats
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