2007 Volvo Penta 3.0 GLP problem

jcabbott04

Recruit
Joined
Jun 8, 2015
Messages
5
2007 Stingray 180RX
Volvo Penta 3.0 GLP-E

Start off by i am new to owning a boat.

Bought the boat almost 2 months ago. It was clean and ran fine on the test ride.
This past weekend, it seemed to be running at a higher RPM than normal at WOT (closer to 5k), yet wasn't going as fast (still was going around 38-40 mph on speedo). Sounds like it was whining a little. Not sure what could be going on. Any help would be greatly appreciated.
 
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