Just discovered this thread. Is anybody still active here? I have same problem.2002 sea Ray 380 8.1 horizons At About an hour and a half at cruising speed 3,200-3,400 port engine loses all rpm and sputters and won’t maintain speed. If I shut it down for 5-6 minutes it fires right up and runs...
2002 Sea Ray 380 w/8.1 Horizons. W/Gen 2 cool fuel module.
My Port engine won't maintain cruising RPM (3,200-3,400 RPM) after about 2-2.5 hours of cruising. It acts like it wants to stall and sputters and drops to idle speed (900 rpm) but never actually stalls. If I shut engine down for 5-10...
Just found this thread from 2013. I'm having same issue.
‘02 Sea Ray 380 with twin 8.1 horizons. 650 hours.
Symptom: After running for about 2 hours at cruising rpm, in moderate chop, my port engine acts like it wants to stall out and won't maintain RPM's. It doesn't actually stall, but the...