Well I've finally come to the end of the long saga of code 25.
I'll keep it short and sweet...exhaust shutter valve in the exhaust y.
The starboard one was clogged and not letting the proper amount of water flow.
Anyway...happy it's over.
I also want to thank all who responded to...
Good morning all,
As some of may recognize this post, I have some updated information to share....it's not a faulty water pressure sensor, a pump, or anything to do with water pressure.
I decided it was time to bring in a pro with the proper tools to diagnose the problem, which at the time I...
I have no idea what he used for test equipment.
The digital tach in the dash flashes the code and I also have a mercruiser vesselview addon on the dash.
They both agree on the pressures. My money is on the poorly manufactured mercruiser flow sensor.
There are other flow sensors...
The digital dash. The tach beeps and flashes two five. Then engine cuts back to around a thousand.
As I recall...the VesselView shows normal pressure and temperature. This only happened at higher RPM. The last time it happened the engine was at thirty-two hundred RPM. It never...
I spent some more time researching other sensors that could take the place of the mercruiser sensor.
I found out that Mercruiser doesn't produce any parts for the power, as you already know, so I cruised around the web and stumbled onto other boat clubs that their members have the...