Boatguy49036
Active Member
- Nov 4, 2017
- 128
- Boat Info
- 440 Sundancer 2006
Cummins QSC 500's
- Engines
- QSC 500 Cummins
we have a 2004 390 DA with a Koehler generator that dockside or while idling out of the Marina will run under load with no issue. Once we get out and get underway, if there’s any kind of wave action, which is always, it stalls. It will restart but get up on plane again and start rolling a little and stalls again. Had a service call made just to double check that all the coolant and oil levels ok and that impeller was good (it was replaced last fall). The tech didn’t get underway but he did run it 45 min under load with out issue at our dock. Is it designed not to run while underway? Only 2nd year for us with a boat with Gen Set. TIA