Abstract

The invention relates to a fuel-injection system (1) comprising at least one fuel-injection valve (1a) and an adapter that can be heated (1b), which is attached to a fuel rail (1c) and to the fuel-injection valve (1a) of the fuel-injection system (1). The fuel rail (1c) is equipped with a thermal switch (2), which is connected to an external door contact switch (3) and to the heatable adapter (1b). The thermal switch (2) has a thermal sensor to ensure a reliable start from cold. In said system, if the fuel temperature falls below a predefined fuel temperature, a changeover of the thermal switch (2) causes the fuel (8) to be heated.

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