[richmanmag]

I have a 2003 Merc saltwater. It started beeping at me so I replaced the oil tank and sensor on the motor. It still beeps but less and it will just die all the sudden when underway. Any suggestion on what might be the issue?


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[wparker]

Maybe high pressure fuel pump

 

[Ronnie Redwing]

is it fuel injected or carbureted?

 

[Cat O' Lies]

https://forums.iboats.com/threads/2003-mercury-150-saltwater-warning-beeps.233730/

https://www.thehulltruth.com/boating-forum/476440-four-beeps-150-mercury-optimax.html

https://www.thehulltruth.com/boating-forum/748572-optimax-4-beeps-every-2-mins-problem-can-t-seem-solve.html

 

[richmanmag]

It is the fuel injected version. Thanks for the links. I have already replaced the oil tank on the engine so I will check the filters or any linked hoses. This doesn’t explain it shutting off though. Any ideas? I’m thinking it ought be a fuel issue as well.


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