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    2002 mercury 40hp 4 stroke efi warning horn and no start

    I have a 2002 mercury 40hp 4 stroke efi. When the key is turned to on, there is no sound, not even the fuel pump priming. After about 20 seconds a continuous beep sounds, main power relay clicks on, and the fuel pump kicks on and runs non stop. I know the warning means low oil or overheat but I...
  2. C

    2002 mercury 40hp 4 stroke efi no start and alarm

    I have a 2002 mercury 40hp 4 stroke efi. When the key is turned to on, there is no sound, not even the fuel pump priming. After about 20 seconds a continuous beep sounds and the fuel pump kicks on and runs non stop. I know the warning means low oil or overheat but I unplugged both sensors and...
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