Good afternoon all. I have a 2001 150 OMC ffi serial # G04967405 and I am getting an intermittent overheat warning. I checked the code and it is 22. I shut the motor off after it put it in S.L.O.W mode started it back up and the light was cleared. I checked both Thermostats on the top and they are not clogged and look pretty clean. I believe I changed the temperature sensor about 2 years ago when I had a similar problem that turned out to be a bad system check gauge. I didn't have an infrared temp with me so I am not sure if it was an actual overheat or not. I would like to also mention that the motor sounds on the rough side when I am in between 1400 and 2200 RPM's. Anything outside of that it runs great.
2001 Ficht 150
serial # G04967405