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    Merc 377 MAG DTS AXIUS electrical issue

    Hello, i have a Cobalt 303 with twin 377mags dts Axius Gen1 and i want to make a question ... With the battery switches OFF, when i turn the keys, i see at the instruments (Smartcraft) voltage reading 8-8,5V, at both engines. Obviously from clean power. With the battery switches to ON...
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    Smartcraft SC1000 and vesselview calibration

    Hello from Greece, I have a Cobalt 303 with twin 377Mag's Axius. The boat till now had analog gauges with AGI interface and vesselview. I changed the dash setup and now the boat has SC1000 smartcraft gauges, 2 tachos , 1 speedo, 2 trim gauges, 2 multigauges for fuel, oil press water temp and...
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    Smartcraft wiring

    Hello. As i started to change the analog gauges on my boat with twin merc's 377mag dts, and install smartcraft, i have a problem..... the harness of speedo and tachos is not long enough to connect to junction box.....is something i can do, like harness extension?? I can not relocate the junction...
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    Dual engine DTS Axius smartcraft schematic

    Hello. I have a dual engine boat with twin 377Mags MPI DTS Axius, serial 1Α605669 & 1Α605670. The boat now has Vesselview, and analog gauges for the two engines, connected with Analog Gauge Interface, one for each engine. I want to keep the Vesselview and change the rest of gauges with...
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    Trim sensor adjustment

    Hello. Besides some other issues i have to my boat, i can not adjust the trim sensors. The engines are 377Mags DTS Axius, serial 1A605669 & 1A605670. I bought for both engines the kit with the digital three wire sensor on port and analog sensor on starboard side of transom (8M0107462). I read...
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    Trim not work above 3000rpm (377Mag MPI DTS Axius)

    Hello. I recently bought a used cobalt 303 with dual 377Mags Axius DTS. The boat runs fine except i have a problem (different thread) with the axius ... But i have another issue. The trim does not work above 3000rpm's. Nor up or down. At 2990rpm works fine, but at 3000rpm nothing. Something cuts...
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    Axius Gen1 boat personality file

    Hello, i recently bought a used Cobalt 303 with 2010 axius Gen1 system. The boat had problem and previous owner unistalled the axius components (actuators from both engines and steering pump, HP filters etc from starboard engine) and converted it to classic cable steering system with a tie bar...
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    Axius repair on used boat Cobalt 303

    Hello from Greece. I just bought a used 2010 Cobalt 303 with 2x377mags axius. The boat is in very good condition and engines-drives as well but I have a problem. The boat was equipped with vesselview,axius system and skyhook. But something happened and previous owner bypassed axius and changed...
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    ECM 555 fuel balance test

    Hello. I just want to ask if the diacom scan tool can make the fuel injector balance test when the engine is equipped with the ECM 555. My engine is a 350 Mag mpi (2009) which is semi batched fired. This means that it triggers the injectors per pairs. (2 injectors at a time). It would be useful...
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    Enertia or enertia ECO for sterndrive?

    Hello... I have a repowered Wellcraft 202 nova spyder with a 350mag mpi (MY 2009) with 1.47:1 Ratio alpha GENII drive. The performance of the boat using current prop (enertia 18p) is very good reaching 58mph@gps and 5100rpm and having very good economy , 3,7mpg@3000rpm. But yesterday thieves...
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    350 Mag mpi leaky exhaust gasket

    I changed exhaust manifolds and risers to my engine 350 mag mpi (2010 sn:1A348183). After about 40 hours a hissing noise from the one side appeard. Finally yesterday during idle I put my hand near the manifold close to spark plugs and I felt obvious exhaust gas to my hand. So I am sure that the...
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    Gps receiver to smartcraft sc1000 connection

    Hello. I have a 350 mag mpi with ecm555 and smartcraft sc1000 speedo/tacho.For speed reading I normally use the paddle wheel for speeds below 5mph and pitot sensor for speeds higher than 5mph. My question is if I can connect a simple gps receiver like this one...
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    350 mag mpi hard start only after first time

    Hello, i have a small problem (again) with my engine 350Mag Mpi (1A348183). It starts perfect at the first time of the day but every other time it crank for 1-2 second more than normal, idles for about 2sec at about 250rpm and then it idles at 550rpm steady and perfect. For example, yesterday, i...
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    350 Mag Mpi low WOT

    Hello. yesterday put the boat in the sea for summer season, and today my brother went for weekend. He called me today and told me that the engine 350 mag mpi (1A348183, MY2009 with 450hrs), has low WOT​​​​​​. The engine with the same load used to reach 5000-5100 but now only reach 4200. No...
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    350 mag mpi overheats only at idle

    Hello, my 2009 350 mag mpi (1A348183) alpha one genii drive, running hot when it is on idle. To be more specific: when running cruise and wot the temp is steady 71-73 degrees C (160-165F) but when returning at the dock and idles the temp raises till 85-88C (185-190F) not more. If I push the...
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    0 psi water pressure but no guardian alarm

    Hello. I gave a 350 mag mpi s/n 1A348183 , MY 2010 with about 450hrs. I had some ignition issues but I now solved them. I just made a test run today to be sure that everything is OK but something strange happened. The engine works very good with smooth operation, the temp is steady at about 72oC...
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    Spark Plug wire resistance specs

    Hello, does anybody know what is the resistance of the spark plug wires? I have a 350 Mag MPI 2009 (sn:1A348183) with the flat distributor cap and i measured the resistance of the wires. The readings are 16,3-15,3 , 12,22-14,02 , 11,00-10,63 , 10,9-11,76 KΩhm for the No1,2(longer wires) ...
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    Alpha gen ii cool fuel relocation

    Hello, I have a 350 mag mpi (1A348183) with alpha genii drive. I just want to answer if anyone has relocated the genii cool fuel module as it is at the most difficult to reach position of the engine while one boat. As I have a fpr problem and need change, I can certainly tell that I prefer to...
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    350 mag mpi surging under load

    Hello..I have a 350 mag mpi (MY2009) alpha one serial number 1A348183. The engine idles very smooth and with steady 550rpms but as soon as I got the boat on plane and want to keep about 3000rpm , it surges from 2900-3100. If I slow down to about 2800rpm , it surges from 2600 to 2800 and it might...
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    Engine temp sensor or sender?

    Hello. My engine (350 mag mpi 2009) has both engine temp sensor (805218T) and engine temp sender (806490T).Can you please tell me which part gives the ecu the engine temp and which to the smartcraft gauge? My engine is running rich and probably the ecu had incorrect information about the engine...
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