Mercruiser 3.0 stalls 2007 Bayliner

by Louie
(NEw Jersey )

When I pump the throttle I see gas shooting into to carb. The engine cranks over and starts. It runs for 3 mins then stalls. It seems related to the fuel supply. Gas looks good (no water). I only see fuel in the carb when I pump the throttle. No fuel is shot in there in the 3 mins before it stalls. Do you think it’s the fuel pump (its mechanical) Does the manual pumping by of the throttle bypass the fuel pump? If it was the carburetor, would it start and idle for a few minutes like I am experiencing? I am thinking of changing the fuel filter built into the pump.

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