Join Date: Feb 2010
Location: Narragansett Bay
Thanked 591 Times in 567 Posts
Rep Power: 12
Re: Fuel Pump Noise
Why would the fuel return valve ever be closed?
For a moment, when I read about a continuous purring noise, I thought you might have been hearing the engine room ventilation fan.
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In the harsh marine environment, something is always in need of repair. Margaritas fix everything.