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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3371
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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My 2004 90 etec was cruising fine then revs died down

Customer Question

My 2004 90 etec was cruising fine then revs died down stalked no won't go into gear with out stalling just bought it and it hadn't been used in 2 years ( new fuel water separator new fuel ran at home 20 mins no problem
Submitted: 1 year ago.
Category: Boat
Expert:  Charles replied 1 year ago.

Hello, my name is ***** ***** will assist you.

What this really sounds like is that the engine is out of gas. When fuel sit for a long time, it evaporates and leaves behind a varnish. This would make the needle stick inside the vapor separator and not allow fuel to reach the pump. You are going to need to open and clean the separator tank. If you need a diagram of it, please let me know.

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