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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3869
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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As soon as I turn the key on I get an alarm and the check

Customer Question

as soon as I turn the key on I get an alarm and the check engine light goes off. three blinks and then one blink... what would the problem be?
Submitted: 1 year ago.
Category: Boat
Expert:  Charles replied 1 year ago.

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

your code should be on the IAC valve. Remove it and clean it. Make sure that it can function as is should, which would be pulsing when the engine is running. If it is clean, but you continue to get this code, replace the valve.

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