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I HAVE A HOUSEBOAT, SUMERSET 2006, WITH 2 MERCRUISER 5.0
I HAVE A HOUSEBOAT, SUMERSET 2006, WITH 2 MERCRUISER 5.0 MPI, 265 HORSEPOWER ENGINES. THE STARBOARD ENGINE HAS RUN GREAT UNTIL ABOUT A WEEK AGO, AND I CAN'T KEEP IT RUNNING. WHEN I START IT YOU CAN KE… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I own a 2005 Sea Ray Sundeck 240 with a 5.0 Merc. I have a
I own a 2005 Sea Ray Sundeck 240 with a 5.0 Merc. I have a low rpm vibration and the stalls at under 950 rpm. Props look fine. Need some direction as to what to do to determine problem.… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
Mercruiser 5.0 mpi. I'm getting a double beep as I cut the
Mercruiser 5.0 mpi. I'm getting a double beep as I cut the engine back to idle. Then the engine died and I couldn't restart. Put in a new battery and tried again. Wouldn't start unless I put the throt… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,739 satisfied customers
My 2013 mercruiser 5.0 mpi beeps 2 times every few minutes
My 2013 mercruiser 5.0 mpi beeps 2 times every few minutes and 1 longer time every few minutes. Replaced gas filter, IAC valve, drained gear lube bottle, checked float, refilled. Filled with fresh fue… read more
Expert
Expert
I have a 2010 5.0 MPI engine. ll symptons said the iac was
I have a 2010 5.0 MPI engine. ll symptons said the iac was faulty. I just replaced the iac with a new one and the engine will no longer start with the button on the throttle pushed and more throttle g… read more
Charles
Charles
Certified Mercury Tech
5,075 satisfied customers
Hello, We have a MerCruiser 5.0 MPI 2004 4M9XM05.0GME that
Hello, We have a MerCruiser 5.0 MPI 2004 4M9XM05.0GME that ran fine this morning until we trolled at idle for 20 minutes. It stalled. Now it is difficult to start and won't run at idle. Need to shift … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
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
Malta Tech
Marine Tech
High School or GED
287 satisfied customers
I have a Searay 200. Sundeck 5.0 mpi. Engine runs fine but
I have a Searay 200. Sundeck 5.0 mpi. Engine runs fine but will not idle in neutral. It wants to go below 500RPM and kill. Any suggestions? Thanks… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Hi got a little start problem 2002 5.0 mpi wont start What
Hi got a little start problem 2002 5.0 mpi won't start What I have done so far: new gas super unleaded changed fuel filter, water seperator and LOW pressure pump because it busted, bleeded the fuel li… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
2004 5.0 mercrusier mpi stalls in neutral. replaced the IAC
2004 5.0 mercrusier mpi stalls in neutral. replaced the IAC worked for 2 minutes then same issue get 2 beeps every 90 seconds or so… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have two Crusader inboard 2001 MPI HO 5.7L V8s. The port
I have two Crusader inboard 2001 MPI HO 5.7L V8's. The port engine is having problems and keeps stalling. After multiple attempts, I have to run it at a higher rpm to keep it from stalling out. When I… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a Mercruiser 350 MAG Mpi it is in a tige 21i. (Inboard).
I have a Mercruiser 350 MAG Mpi it is in a tige 21i. (Inboard). Recentley after using the boat all day with no issues went to start and had a hard time. Once it started it would not idle. Above 1000 r… read more
Ted G.
Ted G.
Rigger, Diagnostician
Vocational, Technical or Trade Scho
704 satisfied customers
I have a 2005 Monterrey with a Mercruiser 5.0 MPI. All of
I have a 2005 Monterrey with a Mercruiser 5.0 MPI. All of the sudden it does not want to idle. I can put it in neutral and start it by giving it gas, but when I pull the lever back to idle, it dies...… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
i have a 2003 5.0 mpi merc runs at throtle but shuts off at
i have a 2003 5.0 mpi merc runs at throtle but shuts off at idle. Gauges and fluids all look fine, is makeing to warning beeps every min or so. Is IAC valve the most likly problem?… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I HAVE A 2005 SUMERSET HOUSEBOAT WITH TWIN MERC. 5.0L V8 MPI
I HAVE A 2005 SUMERSET HOUSEBOAT WITH TWIN MERC. 5.0L V8 MPI BRAVO II ENGINES. THE PORT ENGINE IS VERY DIFFICULT TO START AND ONCE IT STARTS, IT RUNS GREAT, BUT WILL NOT IDLE. WE HAVE CHANGED OUT THE … read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have a 2000 5.0 mercruiser stern drive with fuel injection.
I have a 2000 5.0 mercruiser stern drive with fuel injection. I just got it in the water after winterization. The idle speed seems to high. It causes a very loud clunk when going in and out of gear, a… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 2006 Mercruiser 5.0 w/ Bravo III. The engine stalls
I have a 2006 Mercruiser 5.0 w/ Bravo III. The engine stalls at idle after being run 30 minutes or so. The engine will not start again until it has apparently cooled down. I have hade the entire fuel … read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
we have a 2003 5.0 mpi engine. it was stalling occasionally,
we have a 2003 5.0 mpi engine. it was stalling occasionally, very low speed and at idle in neutral. now it doesn't want to run at all after running in n for a minute (cold) it stalls it will restart a… read more
Mike of Pompano Beach
Mike of Pompano Beach
Charter Fleet Maintenance
18 satisfied customers
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Meet the Experts:

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

Ted G.

Ted G.

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John White

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Jason

Jason

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Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

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40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

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4,729 satisfied customers

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Captain Dave

Captain Dave

Marine Mechanic

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USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

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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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