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BRD

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  1. I have a 2000 sunesta 232 with 5.0 mercruiser. Runs 10 -12 minutes from launch perfectly. Throttle back and then back up and it acts like it's starving for fuel. I have replaced the fuel filter, fuel pump, fuel cooler and regulator. Fresh fuel. Better performance but still doing the same thing. Just replaced both relays. Could this be the ECM?
  2. I have a 2000 Sunesta 232 Mercruiser 5.0. The boat runs fine for maybe 10 - 12 minutes and then loses power. Shutting it off for 10-15 minutes and it runs good at any given speed for another 10-12 minutes or until you throttle it back and then loss of power. the engine temp never exceedes 160 degrees. I have replaced the fuel filter, fuel pump, fuel cooler, fuel line and regulator ( no easy task) and have not corrected the problem. I have replaced the relays but have not tested it yet. Is the ECM the problem?
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