Engine cut off while driving

John41John41 Member Posts: 116 ✭✭
in General Boating Discussions
So I have a 342 with Volvo Penta 5.7 engines. I took a ride up to a favorite restaurant which was an hour and a half  away and on the return trip I was cruising at 27 mph and all of a sudden my starboard engine goes dead. It started back up and was making a slight noise but was able to make it back home with no problem. I didn’t over heat and my oil pressure was fine. My mechanic checked my fuel pumps recently and they were both good. This happened to me before around a month ago. I know this one might be hard to figure out but does anyone have any ideas where to start?
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  • Aqua_AuraAqua_Aura Member Posts: 2,705 ✭✭✭✭✭
    edited September 2020
    Just throwing out guesses but it seems like a sensor of some sort. I am not sure what sensors that engine has maybe crank position sensor, that would cause it to quit abruptly. If it was fuel related I would think it wouldn't abruptly quit like that. Something possibly on the spark side being stopped would seem to cause an abrupt shutdown. 
    1997 Bayliner 3988
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  • aero3113aero3113 Member Posts: 9,857 ✭✭✭✭✭
    Coil maybe?
    2008 330EC
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  • 69fastback69fastback Member Posts: 951 ✭✭✭
    Mine would intermittently do that and it was the ignition switch. 
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  • 212rowboat212rowboat Member Posts: 2,593 ✭✭✭✭✭
    did that noise sound something like a helicopter was chasing you?
    click here for faults (BEEP) list
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  • natalee520natalee520 Member Posts: 21 ✭
    edited February 2022
    @212rowboatwhat is it if it does sound like a helicopter? I might be having the same thing as John...
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  • davidbrooksdavidbrooks Member Posts: 1,432 ✭✭✭✭
    Something like that definitely feels electrical. Almost like it lost the ground. Check your ground wires. Connections as well as the wire crimp in the connection itself.
    It's 5 O'Clock Somewhere!
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  • 212rowboat212rowboat Member Posts: 2,593 ✭✭✭✭✭
    natalee520 said:
    @212rowboat what is it if it does sound like a helicopter? I might be having the same thing as John...
    Operating above safe trim (into the trailer trim range, often because trim limit not set properly) and/or failing gimbal bearing.  

    Its the equivalent of stalling out using a clutch... 

    The helicopter sound... a struggling gimbal.  


    click here for faults (BEEP) list
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  • natalee520natalee520 Member Posts: 21 ✭
    Mine turned out to be a fuel pump and a belt needing replacement, both kinda happening at the same time coincentidentally. I just didn't know much about boats or boat noises at the time so the whirring I was hearing was more the belt and the engine issue was the fuel pump. They were pretty easy fixes in the end.
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  • LaReaLaRea Member, Moderator Posts: 8,071 mod
    @natalee520 - good to know it was that easy.
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