Method and device for operating a gas injection system of a gas fuel and a liquid fuel operated internal combustion engine

摘要

The invention related to a method of operating a gas injection system of a combustion engine which can be operated with gas fuel and liquid fuel. The gas injection system comprises a gas fuel tank, a shut off valve and a plurality of gas injection valves. The method comprises the steps of:
Closing the shut of valve, operating the engine with the liquid fuel and subsequently opening all gas fuel injection valves in a set pattern, while the shutoff valve is still closed.