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5.0 mpi serial no 1A652134. Audible warning sounds at low
5.0 mpi serial no 1A652134. Audible warning sounds at low rpms and engine goes into limp mode. All gauges look good. My mechanics plugged in diagnostic and shows a number of low water pressure errors.… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I'm working on an mercruiser MPI 5.0 and the engine starts
Hello, I'm working on an mercruiser MPI 5.0 and the engine starts to pulse almost like a rev limiter at 4600-4800 rpms what could this be from? Also what are these engines max RPMs?… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a 2005 Mercruiser Magnum MPI with the SmartCraft
I have a 2005 Mercruiser Magnum MPI with the SmartCraft system. I get a continuous engine alarm when throttling up above 1500-2000 RPM. Alarm goes of when throttle reduced to idle. All dash gauges hav… read more
Michael
Michael
master marine technician/charter captain
Vocational, Technical or Trade Scho
256 satisfied customers
I have a 2008 sea ray 240 sundancer, it has the 5.0 mpi engine.
i have a 2008 sea ray 240 sundancer, it has the 5.0 mpi engine. was out sunday and the water pressure senor was coming across the screen and beeping. what would cause this?… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have the same problem with my boat,how was this resolved, I changed manifolds,risers, el
I have the same problem with my boat,how was this resolved, I changed manifolds,risers, elbows,sea water pump, sensors thermostat still gets hot engine has only 98hrs… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
We are an OEM and installer 30-40 Yamahas a year on our Lifetimer
We are an OEM and installer 30-40 Yamahas a year on our Lifetimer aluminum boats We purchased a Mercury ME 150XL EFI 4S-XL -25" Shaft and are installing it on a 20.5' Runabout. Is there a shop install… read more
Charles
Charles
Certified Mercury Tech
5,070 satisfied customers
i have a 5.0 MPI i/o and have not been able to track down the
i have a 5.0 MPI i/o and have not been able to track down the water pressure sensor. Can you help?… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Bought a 1988 penn yan with alpha stern drive, it has a 2003
Bought a 1988 penn yan with alpha stern drive, it has a 2003 5.0 mpi engine ran it for about 3 months last. Over the winter I had the drive serviced, replaced the bellows.shift cable and gimbal bearin… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,739 satisfied customers
I have a 2007 Sea Ray 310 with twin 5.7L Mercruisers w/Z drives.
I have a 2007 Sea Ray 310 with twin 5.7L Mercruisers w/Z drives. Everything starts and runs fine until the stbd engine goes beyond 3500(ish)rpm at which time the engine goes into guardian mode and dow… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
So i have a 2006 sea ray sundancer with twin 350MAG MPI engines
So i have a 2006 sea ray sundancer with twin 350MAG MPI engines with v drive inboards. Recently changed manifolds and risers and the cool fuel modules. Now on the port engine when i start it up the sm… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
Overheat problem mercruiser mpi 5.0 2005 smartcraft, searay
Overheat problem mercruiser mpi 5.0 2005 smartcraft, searay 240 sundancer 2006 Bravo 3 sterndrive raw water cooled. Engine normal at dead idle 600 rpm. Temp is steady at 163 during cruise. Overtemps q… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have twin Mercruiser 5.0 MPI Sterndrives with Smartcraft
I have twin Mercruiser 5.0 MPI Sterndrives with Smartcraft controls. One engine appears to be running rich (black carbon emission on start up, smoking, higher water pressure (open cooling system) and … read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,739 satisfied customers
Hi, I have a 350 mag mpi mercruiser with a Bravo 3 Xdrive.
Hi, I have a 350 mag mpi mercruiser with a Bravo 3 Xdrive. At idle and low revs the smartcraft guage is beeping and flashing the engine symbol, once running at normal speeds the alarm goes away. Water… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,739 satisfied customers
Having problem with a 5.0 merccruise mpi 2003. The boat will
Having problem with a 5.0 merccruise mpi 2003. The boat will plane out of the water when the engine reaches 3600 rpm it goes into alarm. If you back off the throttle to 3400 RPM it runs great. It will… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
Have a 2006 350 mag in rpm reduction, hooked up scan tool to
Have a 2006 350 mag in rpm reduction, hooked up scan tool to engine and found no codes related. Oil was about a quart low and drive fluid bottle is full. Are not getting any audible alarms - filled fl… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a 4.3L MPI engine that is showing seawater pressure
I have a 4.3L MPI engine that is showing seawater pressure of around 2.5psi. When the engine reaches 3500rpm the engine guardian engages and I get an overspeed fault. The engine is not actually over-r… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have a brand new mercruiser engine fresh water cooled 5.0
I have a brand new mercruiser engine fresh water cooled 5.0 fuel injected MPI. It has 36 hours on it My question is: When I run the boat to 4200 rpm the engine alarm comes on and the engine goes down … read more
Dr. Joe
Dr. Joe
Bachelor's Degree
198 satisfied customers
Boat Question - I have a 2005 Sea Ray 280 Sundancer with twin
Boat Question - I have a 2005 Sea Ray 280 Sundancer with twin 5L MPI's and Bravo 3's outdrives. I noticed the port engine was only running at 95deg and the second engine was running around 150 to 160 … read more
Dr. Joe
Dr. Joe
Bachelor's Degree
198 satisfied customers
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