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Diagnostic Code 43

Discussion in 'Cabo Yacht' started by Badcofish, Jun 16, 2020.

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  1. Badcofish

    Badcofish New Member

    Joined:
    May 8, 2020
    Messages:
    13
    Location:
    Oakdale
    I have a 2002 35 Cabo flybridge with 3126b cats in it. If the motors are off and ignition is on the orange diagnostic light give me 43 as a code. Code 43 says open or short circuit of injection actuation pressure sensor. Motor starts fine and seems to run fine any help would be appreciated.
  2. Capt J

    Capt J Senior Member

    Joined:
    Jul 11, 2005
    Messages:
    13,936
    Location:
    Fort Lauderdale
    Time to get a CAT mechanic out to your boat. Between this and the gauges, you have a wiring issue on your engine. A good CAT mechanic can probably find and fix it within an hour or two.
  3. Badcofish

    Badcofish New Member

    Joined:
    May 8, 2020
    Messages:
    13
    Location:
    Oakdale
    Ok thanks in the process of trying to get a guy
  4. NYCAP123

    NYCAP123 Senior Member

    Joined:
    Mar 14, 2008
    Messages:
    11,218
    Location:
    Long Island, NY
    Agree, this is not something you are going to diagnose or fix on your own. It could be as simple as a bad sensor or injector or it could be a bad ECM.
    Last edited: Jun 17, 2020