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It’s closed cooling as are all 8.2’s. The poppets are for draining sea water to winterize which I don’t need to in SC. I think you are thinking about a very different setup.
So the trim position reads normal and changes as it should when trimming the drive. It’s only in the fault freeze frame that I see the crazy reading. When I rebuilt the pump I used the Merc kit with its new wear plate- it looks perfect. The boat only has 280 hours total.
I have a 2013 8.2 and I am getting a repeated guardian code 328 which is for low sea water pressure. I have replaced the raw water impeller (turned out the old one looked fine) and installed a new pressure sender. I am getting around 5 or 6 psi when cruising. I have a Rinda tech tool and when...
