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Jason, Marine Mechanic
Category: Boat
Satisfied Customers: 15085
Experience:  Degree in Marine Technology. Gas and diesel marine mechanic.
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I have a 1995 Mariah 19 foot boat with a 4.3 GM mercruiser.

Customer Question

I have a 1995 Mariah 19 foot boat with a 4.3 GM mercruiser. It ran fine for a couple hours seems like once it got warm it wouldn't want to rev and then finally really wouldnt start . I suspect we have a fuel problem either a fuel pump it's getting hot shutting rebuilt the carburetor over the winter. Got home and it starts and revs fine.
Submitted: 11 months ago.
Category: Boat
Expert:  Jason replied 11 months ago.

Hi Art, good morning, my name is Jason.

Did you happen to check for spark output when the engine would not start?

Customer: replied 11 months ago.
No do you suspect a bad coil
Customer: replied 11 months ago.
Or ignition module
Expert:  Jason replied 11 months ago.

It's typically the coil that goes. It is common for bad ignition coils to work when cool, fail when hot, and work when cool again. Which seems to match your symptoms. Does that make sense?

Expert:  Jason replied 11 months ago.

I think that should do it. But I work for tips so I do want to make sure you are happy with my service before you go. If you had a further question on the issue by all means feel free to ask. If not, Just in case you do not understand the way the website works (and some folks do not). You do have to put forth a positive rating in order for it to credit me for helping you. When ratings are not done, the website simply keeps your deposit and they will not credit me. The ratings box is located at the top of the screen. To rate, you must select the star you wish and also confirm it. Please let me know if you run into any problems or errors when trying to do it. If you do have a problem, or if you can not see the ratings box which is at the top of the screen. Please reply back "I rate Jason's service _______" and fill in the blank.

Questions do not close out, so if you have to come back later on with follow up questions to the issue you still can even after doing a rating.

Thank you

Expert:  Jason replied 11 months ago.

Hi Art

It looks like you read my answer without replying back or putting through a rating for me. Please keep in mind the website does charge you to speak with me, but they will hold your money and not credit me for helping you out if no rating is put through. If you have a problem with the ratings box or can not see it please let me know.



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