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#11374111 - 01/27/16 12:56 PM 2011 175 Pro XS loss of power??
TexBass89 Offline
Outdoorsman

Registered: 01/29/14
Posts: 44
Loc: Texas
Took the boat out the other day and could barely get it on plane, after I finally get her up she topped out at about 4600 RPM and about 10-12 MPH slower. Engine didn't sound bad, it gave no alarms. HELP PLEASE!!!!

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#11374139 - 01/27/16 01:06 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
E5Zero Offline
Extreme Angler

Registered: 08/13/07
Posts: 1949
Loc: Downtown Tomball, Texas
Check your coil packs. I had a 2007 175 Pro XS and it did the same thing. I got all six of mine replaced by Mercury under a recall deal. Been a while, but worth checking out. I thought I had spun a prop!
_________________________
Wishin I was fishin!! ..............>(((//*>
2013 Phoenix 721 ProXP - 250 Pro XS - Motorguide
Humminbird Helix 10SI/1199 SI
PB Largemouth - 9.51 - Toledo Bend - March 2014

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#11374141 - 01/27/16 01:07 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
Troutnout Offline
Angler

Registered: 05/31/14
Posts: 298
Coil Pack.. Guaranteed
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#11374142 - 01/27/16 01:09 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
JIM SR. Online   sick
TFF Celebrity

Registered: 09/25/06
Posts: 6605
Loc: NRH/Fork again ! GET THE NET
Check air, fuel, electricity...weight.

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#11374147 - 01/27/16 01:10 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
TexBass89 Offline
Outdoorsman

Registered: 01/29/14
Posts: 44
Loc: Texas
that's what I thought also but I figured I would hear or feel a misfire

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#11374168 - 01/27/16 01:20 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
TexBass89 Offline
Outdoorsman

Registered: 01/29/14
Posts: 44
Loc: Texas
and wouldn't I get an alarm for a coil pack being out???

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#11374299 - 01/27/16 02:01 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
E5Zero Offline
Extreme Angler

Registered: 08/13/07
Posts: 1949
Loc: Downtown Tomball, Texas
My coilpacks were just no power. No alarm or anything.
_________________________
Wishin I was fishin!! ..............>(((//*>
2013 Phoenix 721 ProXP - 250 Pro XS - Motorguide
Humminbird Helix 10SI/1199 SI
PB Largemouth - 9.51 - Toledo Bend - March 2014

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#11374331 - 01/27/16 02:09 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
TexBass89 Offline
Outdoorsman

Registered: 01/29/14
Posts: 44
Loc: Texas
ok thanks is there anyway to check the coil packs or is it standard to replace all of them

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#11374420 - 01/27/16 02:42 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
Chris_K Offline
Extreme Angler

Registered: 01/14/15
Posts: 1096
Loc: TX
Originally Posted By: TexBass89
ok thanks is there anyway to check the coil packs or is it standard to replace all of them

I'd like to know as well

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#11374426 - 01/27/16 02:46 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
Ken A. Offline
TFF Celebrity

Registered: 10/02/06
Posts: 8085
Loc: Trophy Club, TX
Any competent dealer can check them and tell you which one is bad. It is highly unlikely that more than one coil has gone bad. What you are describing sounds like a bad coil. I had one go bad on a new Merc 300 XS with less than 50 hours on it. They will hook up the engine's ECU to their computer and know in just a few mins.

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#11374493 - 01/27/16 03:09 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
Fast Lane Offline
TFF Celebrity

Registered: 07/24/06
Posts: 5726
Loc: Tyler, texas
Check them with an ohm meter. The bad one is the one with the most resistance;)

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#11374624 - 01/27/16 03:58 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
Troutnout Offline
Angler

Registered: 05/31/14
Posts: 298
No alarms and no mifire on the coil pack, just a little power loss. Common problem. Its a guarantee thats what it is. Bring it in, put it on the computer, and they will tell you which one it is. If it was more than 1 you would have substantial power loss. Easy fix..........
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#11374857 - 01/27/16 05:42 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
Tiltman Online   content
TFF Celebrity

Registered: 05/21/04
Posts: 5815
Loc: Wylie,Texas
Tuner Dropped

pull the lower unit off and look up the mid section tuner will be sitting in the bottom of it.


Your welcome. Then go see Tommy at rockwall marine he knows the scoop on the proper fix.

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#11375063 - 01/27/16 07:06 PM Re: 2011 175 Pro XS loss of power?? [Re: TexBass89]
ToadSnatcher14 Online   shocked
Team Slot Fish

Registered: 08/19/09
Posts: 16749
Loc: Justin,Texas
I lost a coil pack on mine (225) and it wouldn't even think about getting on plane. No matter what I did. Sartin fixed it in 45 minutes and was back on the water.
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