Water temp false alarm

steveadil

Member
Aug 2, 2014
34
Mystic, CT
Boat Info
1990 420 Sundancer
Engines
Caterpillar 3208TA
I just had the turbos replaced on my 1990 Caterpillar 3208 TA’s Now I’m getting a high water temperature alarm on the starboard motor. All gauges read normal and I shot the engines with an infrared thermometer and nothing seems to be out of spec. Any ideas as to what could be causing the false alarm? The only cure is to keep the motors running below normal RPMs.
 

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