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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3844
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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I tried the separate gas tank NO CHANGE, I checked the 2

Customer Question

Jason, I tried the separate gas tank NO CHANGE, I checked the 2 fuel pumps (low & high pressure and both are working. ran it at a low idle for about 10 minutes at low RPMS when I increased the throttle the engine sputtered but kept running. then an alarm came on, and engine temperature ? is showing on the Smart Gauge. I then shut then engine off. Any suggestions?
Submitted: 1 year ago.
Category: Boat
Expert:  Muddyford replied 1 year ago.

Welcome, I'm Chris (aka Moose) I'm an independent contractor here at Just Answer.

Can I get the make and model, I assume F250?

Which engine?

Any codes stored?

Thanks for asking your question and letting me try to help you.

If you are unable to rate my response GOOD or EXCELLENT now. Please let me know why ( if I need to help more) and when you will be able to.

Follow up/Reply as many times as needed before or after rating.

Customer: replied 1 year ago.
Chris this is a 2011 Mercury 250 Optimax Sportsjet boat motor
Expert:  Muddyford replied 1 year ago.

Gotta move you over to boats, this is the Mercury car category.

Customer: replied 1 year ago.
Ok thank you
Expert:  Muddyford replied 1 year ago.

Your welcome

Expert:  Charles replied 1 year ago.


I accepted your phone call offer on your last question. My number is ***** Would you call me when you get a chance. I feel that I know what is going on with the engine.


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