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  1. C

    40 HP fuel pouring out of the air hole next to the idle mixture screw

    "2004 Mercury 3cyl 40HP was ha "2004 Mercury 3cyl 40HP was having rough idle. I removed the bowl drain plugs and blew compressed air into the air hole next to the idle mixture screw. I re-installed the bowl plugs and started the engine. It idled great, but fuel pours out of the...
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