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Max Online: 36273 @ 01/23/13 02:34 PM
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#12299550 - 06/18/17 12:59 PM 2006 115 Mercury Optimax
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11040
Loc: Littlefield Tx & Lake A. H. US...
Surely someone has hit this. No alarms, no codes, fuel - air pressures good. Acts like motor is in protection mode. 2000 rpm max. Idles perfectly. Throttle cable is a little stiff. With throttle to 2k, shoot air intake with Sea Foam Deep Creep and it picks up rpm. I put an electric low-pressure fuel supply pump and # 3 ign coil on it 2 years ago. Ran fine last year, first time did fine this year but second time out it started this.
_________________________
“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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#12299674 - 06/18/17 02:41 PM Re: 2006 115 Mercury Optimax [Re: gary purdy]
HoustonCatfisher Offline
Outdoorsman

Registered: 01/31/14
Posts: 175
Loc: Houston, Texas
Computer controlled. Different things could cause that. Best not to guess but to hook up to diagnostic to determine problem.
_________________________
Licensed Texas freshwater fishing guide

http://houstoncatfish.webs.com

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#12299728 - 06/18/17 03:29 PM Re: 2006 115 Mercury Optimax [Re: HoustonCatfisher]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11040
Loc: Littlefield Tx & Lake A. H. US...
Originally Posted By: HoustonCatfisher
Computer controlled. Different things could cause that. Best not to guess but to hook up to diagnostic to determine problem.
Did you not see, no codes, no alarms?
_________________________
“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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#12299940 - 06/18/17 06:37 PM Re: 2006 115 Mercury Optimax [Re: gary purdy]
HoustonCatfisher Offline
Outdoorsman

Registered: 01/31/14
Posts: 175
Loc: Houston, Texas
Doctors = diagnostic computers. Always get a second opinion if it is really important.
_________________________
Licensed Texas freshwater fishing guide

http://houstoncatfish.webs.com

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#12300056 - 06/18/17 08:00 PM Re: 2006 115 Mercury Optimax [Re: HoustonCatfisher]
BPbassp Online   content
Outdoorsman

Registered: 05/08/10
Posts: 24
Loc: Laredo, texas
Hey Gary,

Just went through this same issue with my opti 250. Check the neutral switch located under cowling . Mine was sticking and engine would only rev to 2k and start jumping around while the smart craft check engine horn was blasting. A quick way to diagnose on the water is to disconnect the neutral switch and run it to see if it returns. At home , engine off, Locate the shifting mechanism under cowling and shift into foward, look for the switch to pop out ( should be visible) mine was gummed up with grease which caused it to stick. On the water I was able to get her to run by shifting from foward to reverse and back and she would run. Optis have a neutral rev limit at 2k, when that switch isn't working it thinks the motor is in neutral causing your issue. Hope it works for you. ( I have a mechanic friend with computer and it didn't show anything)

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#12305151 - 06/21/17 04:42 PM Re: 2006 115 Mercury Optimax [Re: gary purdy]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11040
Loc: Littlefield Tx & Lake A. H. US...
No shift interrupt switch on this motor. Motor will only start in neutral. I ordered another scanner from http://www.rinda.com/marine/
_________________________
“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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