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    • Cummins Marine Forum Topics
    • engine overheating 1 2

      This topic has 30 replies, has 6 voices, and was last updated byMike Mason 5 years ago

      May 24, 2018 at 7:29 am I recently purchase boat w/ twin cummins QSC 540hp’s. Boat travelled 1300 miles with no issues (Temp. Port 176 deg and Starboard 177 deg running at 2150rpm @24knots). Used it a week after arrival and boat ran flawlessly. Next trip two weeks later both engine temperatures start to rise port to 183 deg and starboard up to 190 deg. I pull back throttles and both temps come down immediately. I cleaned the intake strainer on bottom of boat a…

      Started by: Paul Andrew Facey in: Cummins Marine Engines

      30 Replies
      November 5, 2018 at 4:34 pm Great thread. I am dreading pulling my aftercoolers. They will be off sometime this month. Be ready for my posts!!

      Last Post by: Mike Mason posted: 5 years ago

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