An electronically controlled fuel valve, said fuel valve comprising: a fuel valve housing and a nozzle, a fuel inlet port in said fuel valve housing for connection to a source of high pressure fuel, a tank port for connection to tank, a first duct in the fuel valve housing connecting the fuel inlet port to the nozzle, a resiliently biased and axially movable valve needle cooperating with a valve seat and configured to control the flow of fuel from the fuel inlet port to the nozzle, whereby lift of the axially movable valve needle allows flow from the fuel inlet port to the nozzle, a closing chamber acting on the valve needle with a first effective surface area and urging the valve needle towards the valve seat when pressurized, an opening chamber, pressure in said opening chamber acts on the valve needle with a second effective surface area and urges the valve needle away from the valve seat, a control conduit directly connecting the closing chamber to a valve port of an electronically controlled pilot valve, said electronically controlled pilot valve is provided with a valve port connected to said tank port and with a valve port connected to said fuel inlet port, said electronically controlled pilot valve being configured to selectively connect said control conduit to said tank port or to said fuel inlet port for electronically controlling lift of the valve needle wherein: the fuel valve is suitable for injecting fuel into the combustion chamber of a large two stroke diesel engine with cross-heads, the valve seat is arranged in in the fuel valve housing, the closing chamber is arranged in the valve housing, the opening chamber is arranged in the valve housing, and said first duct connects the fuel inlet port to said opening chamber with said opening chamber being in fluidic connection with said first duct to be pressurized by said source of high pressure fuel. a fuel valve housing and a nozzle, a fuel inlet port in said fuel valve housing for connection to a source of high pressure fuel, a tank port for connection to tank, a first duct in the fuel valve housing connecting the fuel inlet port to the nozzle, a resiliently biased and axially movable valve needle cooperating with a valve seat and configured to control the flow of fuel from the fuel inlet port to the nozzle, whereby lift of the axially movable valve needle allows flow from the fuel inlet port to the nozzle, a closing chamber acting on the valve needle with a first effective surface area and urging the valve needle towards the valve seat when pressurized, an opening chamber, pressure in said opening chamber acts on the valve needle with a second effective surface area and urges the valve needle away from the valve seat, a control conduit directly connecting the closing chamber to a valve port of an electronically controlled pilot valve, said electronically controlled pilot valve is provided with a valve port connected to said tank port and with a valve port connected to said fuel inlet port, said electronically controlled pilot valve being configured to selectively connect said control conduit to said tank port or to said fuel inlet port for electronically controlling lift of the valve needle wherein: the fuel valve is suitable for injecting fuel into the combustion chamber of a large two stroke diesel engine with cross-heads, the valve seat is arranged in in the fuel valve housing, the closing chamber is arranged in the valve housing, the opening chamber is arranged in the valve housing, and said first duct connects the fuel inlet port to said opening chamber with said opening chamber being in fluidic connection with said first duct to be pressurized by said source of high pressure fuel. the fuel valve is suitable for injecting fuel into the combustion chamber of a large two stroke diesel engine with cross-heads, the valve seat is arranged in in the fuel valve housing, the closing chamber is arranged in the valve housing, the opening chamber is arranged in the valve housing, and said first duct connects the fuel inlet port to said opening chamber with said opening chamber being in fluidic connection with said first duct to be pressurized by said source of high pressure fuel.