pistnbroke, you are correct. I at first used an after market temp sensor. Installed Merc sensor and all is well. Seems Merc has a monopoly, can...
Thanks, but I tried that. I went under the dash and connected the port engine to the starboard engine guages and it read the same. I'm going...
OK, hopefully someone can shed some light on my problem. I have a 2002 Carver Mariner 35ft, with twin 5.7 Mercs. I noticed that my port engine...