How to Change a Fuel Filter on a Mercruiser 3.0 Fuel Pump?

Answer The Mercruiser 3.0 owner's manual does not specify how often to change the fuel filter. However, the fuel filter is disposable and needs to be changed when it looks clogged. The fuel filter on the ... Read More »

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How to Change the Fuel Filter on a Mercruiser 3.0?

The 3.0 Mercruiser boat engine comes equipped with a fuel filter that is responsible for keeping impurities out of the fuel. As the fuel travels up from the tank, the fuel enters into the top part ... Read More »

How to Change Your Mercruiser Water Separating Fuel Filter?

An old fuel filter can slow you down. Replace your fuel filter every season or sooner if needed.

Fuel Pump Failure in a Mercruiser 4.3?

Fuel pump failure, whether in a Mercruiser engine equipped with a carburetor or in one with fuel injection, is almost a certainty at some point. You should pressurize your fuel system with the prim... Read More »

How to Test the Fuel Pump System in a MerCruiser?

Gasoline-fired Mercruiser engines use both a low-pressure diaphragm-type fuel pump and an electric high-pressure fuel pump. The low-pressure pump supplies the high-pressure pump, the fuel-pressure ... Read More »