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  1. #1
    W Bunch's Avatar
    W Bunch Guest

    Default "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?"

  2. #2
    Join Date
    Aug 2006
    Location
    SW Ohio, USA
    Posts
    10,329

    Default 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.
    Fix minor things (replace wear items for preventative maintenance.) that cause major problems before they break.

  3. #3
    Join Date
    Sep 2006
    Location
    SF BAY AREA, CALI, USA
    Posts
    8,641

    Default u need a fuel pressure gauge

    u need a fuel pressure gauge
    HUMAN BUILT = HUMAN FIXED

    CERTIFIED MARINE TECHNICIAN

    WWW.SWITCHBAIT.COM

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