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Constant alarm 2006 mercruiser 5.7 alpha. We have had an
we have had an alarm the past couple days and have been trying to make the repair. But last night it started with this non stop beep ever 2 seconds even just with the key in on position. Assumed it was the guardian sensor, with all the other things going on replaced that but this alarm is still consistent. Both batteries are fully charged … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
Boat initially runs fine but soon after Bogs down and surges
boat initially runs fine but soon after Bogs down and surges and finally starts making a sound like plugs are firing but no gas....real fast clicking sound. … read more
Noel Schembri
Noel Schembri
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Diploma
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Merc 4.3 question. Am get surging at throttle and guardian
Merc 4.3 question. Am get surging at throttle and guardian horn goes off continuously. Back down and horn stops runs fine. Chicken and egg question. Does guardian system come into play if engine runni… read more
Jason
Jason
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Vocational, Technical or Trade School
22,043 satisfied customers
2015 mercruiser going into guardian at full throttle with no
2015 mercruiser going into guardian at full throttle with no fault codes found. … read more
Jason
Jason
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Vocational, Technical or Trade School
22,043 satisfied customers
2005 Mercruiser 350 MAG MPI Horizon, engine SN ow370674,
2005 Mercruiser 350 MAG MPI Horizon, engine SN ow370674, transom SN ow461799, Bravo*****SN ow285790. Engine starts and runs fine at the dock. As soon as I shift into drive (fwd or rev) and rev above i… read more
Charles
Charles
Certified Mercury Tech
5,752 satisfied customers
I have a 2004 Searay with Mercruiser 6.2 MPI. While underway,
Hi, I have a 2004 Searay with Mercruiser 6.2 MPI. While underway, and coming off throttle I got a steady alarm, oil pressure read zero, and Guardian mode kicked in. I immediately shut it down and got … read more
Jason
Jason
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Vocational, Technical or Trade School
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Alarm code “Starboard Head Overheat” troubleshooting I have
Alarm code “Starboard Head Overheat” troubleshooting I have a Mercruiser 350 Mag MPI Bravo III , 0M616289. Last year, I tried replacing the water pump myself. I did a very bad job, it was leaky. I too… read more
Jason
Jason
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I have a Mercruiser 5.0 MPI on a 2005 Sea Ray 200 Sport. I
I have a Mercruiser 5.0 MPI on a 2005 Sea Ray 200 Sport. I have just gone over 153 Hours exactly 100 Hours from when I purchased. When I move the Key from Off to On there is a "Beep" this is normal. A… read more
dieselhub
dieselhub
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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
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Vocational, Technical or Trade Scho
4,094 satisfied customers
I have a 2004 Mercruiser 350 mpi. The max RPMs I can get while
I have a 2004 Mercruiser 350 mpi. The max RPMs I can get while in the water is 3500 RPMS and the max RPM while the prop is not engaged is 3500 RMPs. One the throttle reaches 3500 RPMs the engine almos… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,043 satisfied customers
hello I own a mercruiser 5.0 mpi. and since I baught the boat
hello I own a mercruiser 5.0 mpi. and since I baught the boat brand new I first had a alarm problem that come's and goes (two beeps every 10 to 15mins) with a noticeably less power at take off (sucked… read more
Jason
Jason
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Vocational, Technical or Trade School
22,043 satisfied customers
Mercruiser 350mag MPI 02,following codes are active,89% power
Mercruiser 350mag MPI 02,following codes are active,89% power availalbe but the beeper is going off twice a minute and its like the engine is running with the choke on!Excessive fuel consumption and i… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
350 mercruiser mag mpi. 2008. Engine mounted on a Dyno, starts
350 mercruiser mag mpi. 2008. Engine mounted on a Dyno, starts and runs great but will not accelerate past 3200 rpm. acts like a rev limiter or ?. any ideas?… read more
James
James
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Vocational, Technical or Trade Scho
4,094 satisfied customers
Type Your Boat Question Here...I have a 2002 Mercruiser 5.0
Type Your Boat Question Here...I have a 2002 Mercruiser 5.0 MPI with Bravo III sterndrive...have an audible alarm every 60 seconds...motor oil level a little high but clear, drive oil resevoir is full… read more
James
James
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Vocational, Technical or Trade Scho
4,094 satisfied customers
1996 Sea Ray with 1999 Mercruiser 5.7 L 350 Magnum. Engine
1996 Sea Ray with 1999 Mercruiser 5.7 L 350 Magnum. Engine starts easily cold and will run for hours at 3,000 rpm at the dock. shut engine down for half an hour and either will not start or starts and… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have a tri-toon 26ft pontoon boat with a mercruiser 350 mag
I have a tri-toon 26ft pontoon boat with a mercruiser 350 mag I/O. When the engine runs any faster than 1800 rpms a sensor of some sort cuts the engine and sets off a horn indicating that the engine i… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
i have a 2003 mercruiser 350 m.p.i. in a 2003 sea ray 260 sundancer
i have a 2003 mercruiser 350 m.p.i. in a 2003 sea ray 260 sundancer with a bravo 3. an alarm beeps twice every 60 seconds. water temp o.k. oil pressure o.k. final drive oil o.k. engine oil o.k. engine… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
Mercruiser 350 Mag MPI Tow Sports engine in 2001 Tige. Fuel
Mercruiser 350 Mag MPI Tow Sports engine in 2001 Tige. Fuel pump and Cool Fuel runs on when ignition shut off. Continues to run until battery dead or switched off. Suggestions?… read more
mercmastertech
mercmastertech
Service Manager, Master technician
Technical School
249 satisfied customers
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