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Old 09-19-2013, 08:01 PM
Zoe R. Zoe R. is offline
TT Newbie
Join Date: Sep 2013
Boat: 1999 Prostar 190
Location: west coast
Posts: 2
Prostar 190 runs cold

My 1999 Prostar 190 didn't have a thermostat in it so I bought a 160 degree for it as recommend by MC. When I took it out for a ski it shut the motor down to a idle. I went back and bought the 140 and it did the same. It seems that if the engine gets up to 160 degrees it shuts the computer down. I also replaced the sending unit in the head and still no change. The motor is running to cold to be efficient. Need help.
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