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Can you tell me where the IAC valve is on a 2007 Mercruiser?
Can you tell me where the IAC valve is on a 2007 Mercruiser? Having problems at idle speed. Need to check/clean and replace if necessary… read more
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Noel Schembri
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I have a 2007 Mercruiser 5.0 MCM that is dieseling. The idol
I have a 2007 Mercruiser 5.0 MCM that is dieseling. The idol RPMs are around 1000 to 1100 rpm as well. I also hear a hissing sound at start up and remains until the engine warms and then it will stop.… read more
Jason
Jason
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Vocational, Technical or Trade School
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Just doing some reading on the tks system on a 4.3
Just doing some reading on the tks system on a 4.3 mercruiser … read more
Jason
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Sensor fault at 2000 rpm, 2006 mercruiser 5.0 mpi, only in
sensor fault at 2000 rpm JA: Sometimes things that you think will be really complicated end up being easy to fix. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. … read more
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Jason
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2012 Mercruiser 5.0 MPI température is stable at 175 deg at
2012 Mercruiser 5.0 MPI température is stable at 175 deg at idle but drops to 0 deg when RPM is above 1000. Then slowly comes back to 175 deg when returning to idle. Any clue?… read more
Tan
Tan
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Certified Marine Technician
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2007 Mercruiser 4.3 L TKS Engine stalls after it is warmed
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I have a 97 chaparral sunesta 210 with a 5.0 mercruiser engine
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Tan
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i have a 2006 5.0 mercruiser and every thing seems to be working
i have a 2006 5.0 mercruiser and every thing seems to be working fine, drove boat for 4 hours on sat. But when i get on throttle any where from 3200 to 4000 rpm the constant alarm will go off and will… read more
Jason
Jason
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I am in market for used bowrider in $ 25000 range what is
I am in market for used bowrider in $ 25000 range what is the difference in value , reliability and performance etc of the Mercruiser 5.0 TKS 220 HP vs 5.0 MPI 260 HP should I only pursue the later ? … read more
Malta Tech
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I have a 220 Sun something, walk thru windshield, 5.0 Mercruiser
I have a 220 Sun something, walk thru windshield, 5.0 Mercruiser IO/OB. I'm having trouble keeping it running-it dies on idle-it will run in neutral at about 1800 rpm. The trouble beepers intermitant … read more
Jason
Jason
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I have a 2007 sea ray 185 sport with a 3.0 liter it has the
I have a 2007 sea ray 185 sport with a 3.0 liter it has the new fuel enrichment system fire up the boat had some issues with cap rotor and plugs when it run it will only run at high rpm. ther fuel enr… read more
Jason
Jason
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Vocational, Technical or Trade School
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I have a 2000 sea pro with a 4.3 mercruiser with an electric
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James
James
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Vocational, Technical or Trade Scho
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My 85 Carver 3207 has two Mercruiser 260hp. Ran last week
My '85 Carver 3207 has two Mercruiser 260hp. Ran last week without a problem at between 1500-1800 RPMs. But in weeks before when ran at a higher RPM the port engine starts dropping RPMs then dies and … read more
Captain Dave
Captain Dave
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I have a 2004 sea ray 240 sundancer with a 5.0 efi mercruiser.
I have a 2004 sea ray 240 sundancer with a 5.0 efi mercruiser. When the engine is cold i have no power in the higher rpms and cant get the boat to plane out. The engine makes a popping sound like its … read more
K. Kergan
K. Kergan
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I have a 2008 Bayliner 205 with 5.0 Merc A1 engine. It says
I have a 2008 Bayliner 205 with 5.0 Merc A1 engine. It says it has turn key start and advertises no choking, no pumping, etc. It is one year old with under 25 hours. When I start, I pump the throttle … read more
Dominick
Dominick
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I have a 2007 TKS mercarb (350 cu in). Only during cold engine
I have a 2007 TKS mercarb (350 cu in). Only during cold engine operation will a black waterline (soot) form on the transom. After the engine is warmed up I can clean the transom and then operate the e… read more
Jeremy R.
Jeremy R.
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I have a mercruiser 5.0 TKS on a 20 ft bayliner boat. It is
I have a mercruiser 5.0 TKS on a 20 ft bayliner boat. It is new. On a cold start, it cranks 2-3 times and often I pump the throttle once and back, then seems to start. However, on hot starts, it has a… read more
Captain Dave
Captain Dave
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Mark (the Boatman) here. Got a customers boat here (2006 3.0)
Mark (the Boatman) here. Got a customers boat here (2006 3.0) with a hard starting when cold problem. Went to look @ the choke & WTF?... it's gone! Instead there is what looks like an enrichener valve… read more
Larry B.
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Tan

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Jeff G.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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