Sound like rod knock? Was having fuel issues, then cooling issues. Fuel system replaced, thermostat replaced, after last run I noticed a light tap. Fluctuates with rpm. Oil was low but not quite to minimum. Added oil, but still a consistent tap.
Hi all,
I have a 2002 Mercury 50 EFI that I am nearly out of ideas on. It sat a little to long with ethanol gas in the tank, and has been bogging down over 2500 rpm ever since. Fuel lines, filters have been replaced. I removed and cleaned the VST. Fuel lines all new, running on an external new...
