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Iveco marine engines

Discussion in 'Engines' started by clovehitch, Mar 11, 2021.

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  1. NYCAP123, Mar 17, 2021
    #21
    NYCAP123

    NYCAP123 Senior Member

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    Yeah, I think you'll do better if you go in the other direction. Between Annapolis and Baltimore you should be able to find someone, and it's closer.
  2. clovehitch, Mar 17, 2021
    #22
    clovehitch

    clovehitch Member

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    Will do, thanks
  3. clovehitch, Apr 26, 2021
    #23
    clovehitch

    clovehitch Member

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    As a follow up to my search to find a local marine service center in the central and upper Chesapeake Bay and eastern Delaware Bay Area, I have found none of the mentioned marine services can diagnose or service the Iveco engines. Having said this I learned that several years back Cummins and FPT had negotiated a merger that did not materialize here in the US. The only Marine service who sells and services Iveco engines is Mid Atlantic Engine in Cinnaminson NJ. I thank all who provided suggestions.
    Capt Ralph and Fishtigua like this.
  4. mapism, Apr 27, 2021
    #24
    mapism

    mapism Senior Member

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    What were their findings on those error codes?
    I'm asking just out of curiosity, because the N60 has the reputation of a remarkably longlasting workhorse.
    With MANY single installations in commercial boats, as Fishtigua already mentioned.
  5. Capt J, Apr 27, 2021
    #25
    Capt J

    Capt J Senior Member

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    There is no dealer within 100's of miles from him to plug in a computer, to find out what the codes are.
  6. mapism, Apr 27, 2021
    #26
    mapism

    mapism Senior Member

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    Ops, I didn't think of the distance from Chesapeake Bay.
    I just assumed that clovehitch was eventually be able to get some support from that Mid Atlantic Engine...
  7. Fishtigua, Apr 27, 2021
    #27
    Fishtigua

    Fishtigua Senior Member

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  8. clovehitch, May 3, 2021
    #28
    clovehitch

    clovehitch Member

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    I have spent the weekend researching the Iveco manuals for the information to enter into the link supplied by Fishtigua.
    The codes that appear are under engine RPM sensor - 6.3, engine speed signal plausibility and electronic unit - 9.4, main relay. these codes appear on both engines. According to the blink code table code 6.3 will cause a max power reduction but the engines still are able to run at full RPMs.

    Several years back a technician from Mid Atlantic did spend time diagnosing the alarms and codes and could only say that he believed the issue may be fuel related and suggested the racor filter systems ball and check valve be serviced as he could not detect any significant code. They were serviced and the issues still appeared.

    Back in 2011, the starboard ECU/EDC module became defective and was replaced. In 2015, the port CAM-BUS converter became defective and was replaced. The engines run well and the alarm sounds occasionally. I have tried to reset the fault codes but have not been successful even as I follow the steps in the manual.

    I am beginning to think the failure to reset the fault codes may be causing a “repeat alarm” status with the system thinking there is a fault.

    The search will continue.
    Fishtigua likes this.
  9. d_meister, May 4, 2021
    #29
    d_meister

    d_meister Senior Member

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    These engine control systems generally work on the CAN bus protocol, the same system that modern automobiles have been required to implement since 2008. I monitor one automotive forum that frequently has CAN bus questions. The thing to remember is that everything in the engine controls is dependent on electrical signals and proper voltage supply. Most failure codes cascade from one fault, and often that is a poor connection.
    The first thing I would do is verify that all the connectors are properly mated. One issue I encountered was a case where a Deutsch connector had a terminal in it that wasn't clicked into a locked position and was pushed back when the connector was seated, resulting in the wire terminals connecting electrically only at the very tips. Those connectors are, IMO, the best in the business, but if the attention to detail isn't there when assembled; they're no better than anything else. It's best to access both sides of a gang plug when inspecting it so all the wires and terminals can be seen and gently pushed and pulled to verify integrity.
    While doing that, try to visually confirm that the main harnesses haven't been cut and spliced. I repaired one engine/gear control system on a yacht by pulling the entire wiring system for the controls out of the boat and inspecting every inch. The builder had extended the wiring harness by splicing in a section. One of the butt connectors was poorly crimped, and the wire fell out of it when I handled it. It was the main power supply wire running back to the processors in the engine room. Adding insult to injury, the builder didn't use marine grade connectors, and the crimp was made by improperly using Klein-type crimpers.
    Doing the above can go a long way towards providing long-term reliability of the systems, but I would also suggest that a phantom fault that appears on both engines has a common power or ground fault
    Capt Ralph likes this.
  10. clovehitch, May 4, 2021
    #30
    clovehitch

    clovehitch Member

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    Thank you. I will definitely check all connections. I do know the installation was performed in 2005 and there were no issues until 2011. I will pay attention to the connections on the cam-bus relays and main monitor module and the grounds.

    I am concerned that I cannot reset the fault codes and service reminder. On the Internet I have located some FPT authorized marine service yards and I am waiting for return calls from them.

    Search continues.
  11. Capt Ralph, May 4, 2021
    #31
    Capt Ralph

    Capt Ralph Senior Member

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    This is ware patience will pay off.
    Endeavor to persevere..
  12. d_meister, May 4, 2021
    #32
    d_meister

    d_meister Senior Member

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    You may be able to reset DTC's by simply disconnecting all power to the engine circuits for a short while, and I should have mentioned that it is best to have all power off when checking connectors.
  13. clovehitch, May 5, 2021
    #33
    clovehitch

    clovehitch Member

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    Good point, will do. Thanks
  14. clovehitch, Feb 15, 2022
    #34
    clovehitch

    clovehitch Member

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    It has been about 7 months since my last post on this. Since that time I met up with representatives from Fiat Power Train (FPT) at the Ft. Lauderdale Boat show this past October. I have learned that Mid Shore Diesel in Easton MD is FPT technician. I have placed a call to them regarding my Iveco's and will post after I have made contact with them.
    Fishtigua likes this.
  15. SeaEric, Feb 15, 2022
    #35
    SeaEric

    SeaEric YF Historian

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    He's a good guy. We had heard that he was now an Iveco dealer.
  16. clovehitch, Sep 20, 2022
    #36
    clovehitch

    clovehitch Member

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    Hello all, it has been some time since I posted on this issue. Early this year I did make contact with Ryan Earls at Mid-Shore Diesel. Arrangements were made and he serviced the Iveco and Kohler power plants. Very professional and knowledgeable. I would not hesitate to contact him for additional services.
    Although he was unable to find the route cause for the intermittent alarm activation he did find all systems running properly. It is believed that due to these systems are early models (2005) and the 370 HP is not being produced there may be a software issue. We'll keep trying.
    On a side note does anyone know what psi radiator cap should be on these engines. I want to replace one and there is no marking of what pressure the cap has.
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