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Had boat hauled for bottom paint. Run home I’m was doing 2120 rpm’s and looking down on my gauge scan and saw oil pressure 70 psi on port motor and 37 psi on boost. Starboard was 48 oil psi and 26 psi boost which is typical numbers. At idle I was still showing 15psi boost and 15 psi higher oil pressure on oil pressures. Engines ran great, no smoke, no temperature changes and very smooth. When I returned to dock, I shut down engines and restarted them. Oil pressure and boost went back to normal. Wondering if this is prelude to a on coming issue? Sensor? Computer?. This has never happened before and again everything sounded great and ran great. Engines have 4800 hours on them. Turbos are newer blueprinted units, air filters are new and changed 20 hours ago. Fluid levels are all good. Only thing out of ordinary was the boat yard unplugged me on the hill and the batteries went dead. Not sure if this had effect on the engine computers? Any thoughts appreciated.
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I would check the wiring first. All connections that they are clean and tight. Plug/socket connections opened carefully and sprayed with something like Corrosion X . THe pins can be wiped gently with a pencil eraser. They will clean oxidation off without damaging the coating . When plugging back in the wiping action between the pins and sockets will also help.
Poor connections will produce resistance which will affect the guages ability to do their job.
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