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Dec 30th, 2023
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 Planing issue
#13238335
08/07/19 01:08 AM
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Joined: Jan 2014
Posts: 145
Mr. Skeeter
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jan 2014
Posts: 145 |
Hey guys, hoping I can get some help here..
I’ve got a 94 mercury 200hp xri efi, I noticed it started to get on plane slow slow slow, and now it won’t plane most of the time. When I hammer down it will start to bog down, but if it does get on plane it runs fine at wot. But once I come off and fish it’s a hit or miss if it will go. Idles fine and revs fine. I’ve never had an issue until this year.
I’m wondering if it could be a failing fuel pump, I’m replacing all the gas lines this week. Compression is good on all cylinders.
I’d appreciate the help!
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Re: Planing issue
[Re: Mr. Skeeter]
#13238356
08/07/19 01:23 AM
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Joined: May 2014
Posts: 7,737
GIG'EM AGGIES
TFF Celebrity
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TFF Celebrity
Joined: May 2014
Posts: 7,737 |
I think you're going about it the right way. Starting with fuel lines is not only smart but this TFF'er thinks that's your problem. If those are original then ethanol has had time to delaminate them. Ask me how I know.
I am a Senager. (Senior teenager) I have everything that I wanted as a teenager, only 50 years later. I get an allowance every month. I have PU truck and a bass boat, I am blessed.
Conscience never acquits, it either accuses or excuses.
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Re: Planing issue
[Re: GIG'EM AGGIES]
#13238376
08/07/19 01:32 AM
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Joined: Jan 2014
Posts: 145
Mr. Skeeter
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jan 2014
Posts: 145 |
Should I go ahead and rebuild the fuel pump?
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Re: Planing issue
[Re: Mr. Skeeter]
#13238391
08/07/19 01:47 AM
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Joined: May 2014
Posts: 7,737
GIG'EM AGGIES
TFF Celebrity
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TFF Celebrity
Joined: May 2014
Posts: 7,737 |
See what happens after you change the fuel lines. That may be all that's needed. One step at a time. Good luck. 
I am a Senager. (Senior teenager) I have everything that I wanted as a teenager, only 50 years later. I get an allowance every month. I have PU truck and a bass boat, I am blessed.
Conscience never acquits, it either accuses or excuses.
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Re: Planing issue
[Re: Mr. Skeeter]
#13239443
08/07/19 09:12 PM
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Joined: Nov 2002
Posts: 4,439
Gamblinman
TFF Team Angler
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TFF Team Angler
Joined: Nov 2002
Posts: 4,439 |
Replace fuel lines and primer bulb from tank to pump.
When was the last time you had your injectors cleaned and flow tested?
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Re: Planing issue
[Re: Mr. Skeeter]
#13239546
08/07/19 10:42 PM
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Joined: Jan 2014
Posts: 145
Mr. Skeeter
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jan 2014
Posts: 145 |
It’s been 6 years, not sure how often you need to do it. I will be replaying all the fuel lines Friday.
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Re: Planing issue
[Re: Mr. Skeeter]
#13239550
08/07/19 10:43 PM
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Joined: Jan 2014
Posts: 145
Mr. Skeeter
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jan 2014
Posts: 145 |
I’ve taken it to a shop and they wanted to clean them for 600! And be put 6 weeks, I’m no mechanic but wouldn’t it affect its top end speed if they weren’t synced?
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Re: Planing issue
[Re: GIG'EM AGGIES]
#13239967
08/08/19 08:51 AM
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Joined: Apr 2017
Posts: 81
cbeathard
Outdoorsman
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Outdoorsman
Joined: Apr 2017
Posts: 81 |
I think you're going about it the right way. Starting with fuel lines is not only smart but this TFF'er thinks that's your problem. If those are original then ethanol has had time to delaminate them. Ask me how I know. i second this
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Re: Planing issue
[Re: Mr. Skeeter]
#13240227
08/08/19 01:59 PM
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Joined: Jul 2010
Posts: 1,349
boatman025
Extreme Angler
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Extreme Angler
Joined: Jul 2010
Posts: 1,349 |
I would do fuel lines and do fuel pump and see what happen the lift pump get week from all this good gas we have also
Hughes Marine
3855 Osage Lane
Wylie ,Texas
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Re: Planing issue
[Re: Mr. Skeeter]
#13241764
08/09/19 01:47 PM
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Joined: Nov 2002
Posts: 4,439
Gamblinman
TFF Team Angler
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TFF Team Angler
Joined: Nov 2002
Posts: 4,439 |
I’ve taken it to a shop and they wanted to clean them for 600! And be put 6 weeks, I’m no mechanic but wouldn’t it affect its top end speed if they weren’t synced? No. Unlike the newer direct injected motors, EFI motors inject into the crankcase.
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Re: Planing issue
[Re: Mr. Skeeter]
#13244062
08/11/19 09:06 PM
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Joined: Jan 2014
Posts: 145
Mr. Skeeter
OP
Outdoorsman
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OP
Outdoorsman
Joined: Jan 2014
Posts: 145 |
Well no luck with the fuel lines and new fuel pump kit
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Re: Planing issue
[Re: Mr. Skeeter]
#13244516
08/12/19 11:37 AM
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Joined: Jul 2011
Posts: 5,289
Dubee
TFF Celebrity
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TFF Celebrity
Joined: Jul 2011
Posts: 5,289 |
Make sure you are getting good spark on all cylinders
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Re: Planing issue
[Re: Mr. Skeeter]
#13247044
08/14/19 02:50 AM
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Joined: Apr 2015
Posts: 1,818
Curtbass
Extreme Angler
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Extreme Angler
Joined: Apr 2015
Posts: 1,818 |
Injectors should be cleaned & flow tested every year or 100 hours whichever comes first. Southern Performance Injectors in Friendswood Tx.
ELITE POWER SYSTEMS/ Elite Fishing Products
Lithium Battery & Charging Systems, Soft Plastics, Tackle,Tokyo Rigs
Tight lines & stay safe out there.Gods blessings
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Re: Planing issue
[Re: Mr. Skeeter]
#13247048
08/14/19 02:51 AM
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Joined: Nov 2002
Posts: 4,439
Gamblinman
TFF Team Angler
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TFF Team Angler
Joined: Nov 2002
Posts: 4,439 |
Check the fuel pressure while running to make sure its in spec for that engine. Also, see how long it holds pressure after shutdown.
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Re: Planing issue
[Re: Mr. Skeeter]
#13247050
08/14/19 02:53 AM
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Joined: Apr 2015
Posts: 1,818
Curtbass
Extreme Angler
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Extreme Angler
Joined: Apr 2015
Posts: 1,818 |
Southern Performance Injectors in Friendswood Tx.$25 per injector & about 10-14 day turnaround
ELITE POWER SYSTEMS/ Elite Fishing Products
Lithium Battery & Charging Systems, Soft Plastics, Tackle,Tokyo Rigs
Tight lines & stay safe out there.Gods blessings
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