Mercury 200 efi single beep

basspro1886

Seaman Apprentice
Joined
Sep 18, 2011
Messages
34
So I have 2002 mercury 200 efi 2.5l.
Just had powered rebuilt. Injectors cleaned and flowed. Started up today no issues. Made a 20 minute run. When I came down off plane and to an idle the horn gave me 1 single beep and the motor hicupped. Every time after I started it. It gave me a single beep but was able to get to wot. Can someone help me with this.
 
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