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#11814312 - 09/06/16 08:20 AM Throttle stuck open
bassnbshane Offline
Angler

Registered: 03/09/06
Posts: 285
Loc: haltom city
I have a 99 merc 225 , this weekend I was cruising across the lake at about 4000 rpms , and all of the sudden it started gaining rpms and I let off off the hot foot but it kept running wide open so I shut it down and when I would restart it it was wide open , so I got towed back to the dock checked all of the linkage from the hot foot to the motor everything is working properly so after it set for awhile I started it and it was back to idleing normal , so I idled around but never got back on plane in fear of it doing the same thing , I am thinking maybe something electrical has anyone had this problem or know of a good merc mechanic in the Dfw area I could talk to. Thanks

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#11814670 - 09/06/16 12:03 PM Re: Throttle stuck open [Re: bassnbshane]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 10515
Loc: Littlefield Tx & Lake A. H. US...
I have seen the Merc EFI`s suck up a piece of fuel hose, left in the bottom of the cowling and hold the butterfly`s open.
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“The world will not be destroyed by those who do evil, but by those who watch them without doing anything” GOD IS GOOD

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#11815869 - 09/07/16 06:09 AM Re: Throttle stuck open [Re: gary purdy]
Gamblinman Online   content
Extreme Angler

Registered: 11/26/02
Posts: 2006
Loc: Yantis, TX
Originally Posted By: gary purdy
I have seen the Merc EFI`s suck up a piece of fuel hose, left in the bottom of the cowling and hold the butterfly`s open.


Check all your hoses and make sure one hasn't come loose and sucked in. While there, check all the hoses for cracks, if you haven't changed them, its time
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