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Dec 30th, 2023
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 Need some help!
#11384236
02/01/16 08:47 PM
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Joined: May 2014
Posts: 82
blwn merc
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2014
Posts: 82 |
I have a 2000' mercury 225 EFI. Here is what it's doing. It will start and idle just fine , rev up as high as I want it to go in neutral. Once I put it in gear , it struggles to plain off like it's starving for fuel. Once it does get up , about a minute later , it has very low power under 3000 rpm and once I take it over 3000 rpm it dies and just a few seconds later it will start back up , back under 3000 rpm . I have recently rebuilt the fuel pump , replaced the fuel filter and the spark plugs. I am lost as to what is going on. And the fuel pump was the " gravity fed " fuel pump. Not the electric fuel pump. I'm sorry if I don't know the correct term guys.
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Re: Need some help!
[Re: blwn merc]
#11385498
02/02/16 09:26 AM
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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 |
First thought I had was to check your lower unit.
Then I re-read your post.
How old is your fuel line? Do you have a water separator on it?
Primer bulb age?
How about checking fire on each cylinder?
What did the old plugs look like when you removed them? Any wet ones?
Now, Donald...please pick John Bolton for your running mate.
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Re: Need some help!
[Re: blwn merc]
#11385657
02/02/16 01:42 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Ser. number? Sounds like a throttle position control problem, electric fuel pump screen in the VST. These motors the TPS is very sensitive.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: Need some help!
[Re: blwn merc]
#11387229
02/02/16 10:24 PM
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Joined: May 2014
Posts: 82
blwn merc
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2014
Posts: 82 |
Fuel line is less that 2 years old. Yes it has a separator on it. Each cylinder does fire. When I replaced the plugs , all seemed to be burned normally. All 6 looked the same. No wet ones. I always run stabil with every fill up as well. I think I'm leaning toward an electrical issue from what Gary Purdy says.
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Re: Need some help!
[Re: blwn merc]
#11387321
02/02/16 11:11 PM
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Joined: Jul 2010
Posts: 1,433
boatman025
Extreme Angler
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Extreme Angler
Joined: Jul 2010
Posts: 1,433 |
where you located I have shop in McKinney and could look at it for you
Hughes Marine
3855 Osage Lane
Wylie ,Texas
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Re: Need some help!
[Re: blwn merc]
#11388915
02/03/16 05:40 PM
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Joined: May 2014
Posts: 82
blwn merc
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2014
Posts: 82 |
I live in Weatherford. I actually committed to a guy that has a shop in Alvarado. Since I already committed to him , that's where I will take it. But in the future I will keep you in mind.
Thanks!
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Re: Need some help!
[Re: blwn merc]
#11394235
02/05/16 05:27 PM
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Joined: Jan 2012
Posts: 976
harvey walker
Pro Angler
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Pro Angler
Joined: Jan 2012
Posts: 976 |
sounds like a bad fuel line from the tank to the motor.
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Re: Need some help!
[Re: blwn merc]
#11395939
02/06/16 11:24 AM
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Joined: Sep 2008
Posts: 121,182
hopalong
Pescador Loco
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Pescador Loco
Joined: Sep 2008
Posts: 121,182 |
power packs/coils? maybe?
" Hop, set the hook"!
hopalong 99,999
TexDawg 99,999
FJB! not my president by a long shot!
lake fork FISHERMANS COVE MARINA/reservations - 903 474 7479
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