Fuel Pump Failure in a Mercruiser 4.3?

Answer 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 »

Top Q&A For: Fuel Pump Failure in a Mercruiser 4.3

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

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 »

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 »

Reasons for Fuel Pump Failure?

Your car's fuel pump is responsible for pumping the gasoline out of the fuel tank and sending it through the fuel lines to the engine. If the fuel pump is not working properly, your vehicle will no... Read More »

Fuel Pump Failure Signs?

Some of the most annoying problems encountered with a vehicle are caused by a faulty fuel pump which can malfunction intermittently. During normal driving, the symptoms will appear, but they are di... Read More »