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    2001 Mercruiser 5.7 EFI No WOT Under Load

    Thank you, folder should have files now. I will read up on compression tests - what will that test tell me? If there is a leak in the exhaust system or manifold? Is there a way to test for obstructions/restrictions in the exhaust system?
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    2001 Mercruiser 5.7 EFI No WOT Under Load

    Looking for guidance. I have twin Merc 5.7 EFIs on a 2001 Sea Ray Amberjack 290, Bravo Sterndrives. When cruising, I cannot get the Port engine over 2300/2400 RPM even at Wide Open Throttle, and I need to hit 3000 to get on plane. Observations: 1) low water flow from port engine when running...
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