Quote Originally Posted by james yarosz View Post
JHutch,did you ever figure this out,my 2003 outback is doing the exact same thing.Used to run about 170 all the time,now after thermostat change the temp moves around from 180 to 140.Doesn,t seem to be related to any certain speed or rpm.Boats feels like its running fine.
Are you sure a 160 degree thermostat was put back in? If it’s not going above the 180 mark, was a 180 thermostat put in by mistake?