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Mercruiser 43lx stalls under heavy acceleration

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"Mercruiser 4.3Lx stalls under

"Mercruiser 4.3Lx stalls under heavy acceleration, at rpm 4000 or more. Could it be the electric fuel pump? If so, how do you check the pressure and what should the pressure be?"
 
When is the last time ALL OF T

When is the last time ALL OF THE FUEL FILTERS were serviced. Plugged filters act like a dying pump. Start there since that is the cheapest route and see if it improves.
 
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