I wanted to provide an update for anyone searching this issue... It was such a PIA I wish I had a good resource when I was chasing it.
My issue did end up being water pressure as well. New impeller resolved. It only took like $3k worth of other "fixes" my boat shop was trying to get there.
We are still chasing it! So they pulled and serviced all injectors. Didn't fix it. Next they thought it was due to temp of transmission and they noted it was a little milky. Flushed, replaced, and problem still persits.
As a comment on the suggestion of shift plate, my boat does not have a...
Ok... good to know. I will look at that. Any idea if a fault in that switch would through a code in the SmartCraft system? I am getting a fault code and warning.
I have a 2012 Mercruiser 8.2L Mag V8. Recently the boat began to go into fault mode (reduced power) when running at 2600-2900 rpm (which happens to be surf RPMs on my boat!!). I can put it in neutral and then it instantly is back to normal power mode until it happens again. If I go less than...