它提出了一种用于通过一个伸入的内燃机火花隙的燃烧室的结构组合表示的内燃机的火花塞（13）从可放电超过所述火花隙（13），冷凝器（14），的一个监测辅助火花隙的电容器的电压（12），的 电绝缘体（18）和所述物品的粘性金属外壳（19）形成。 这里，辅助火花隙（12）的气体中在高压下腔根据本发明，由此在该火花隙（12），该能量损失减小容纳在低电极间距。

Disclosed is a spark plug for an internal combustion engine, by structural combination of a projecting into the combustion chamber of the internal combustion engine ignition spark gap (13), from an over the spark gap (13) dischargeable capacitor (14) of a capacitor voltage monitored auxiliary spark gap (12), of an electrical insulator (18) and by a the items cohesive metal housing (19) is formed. Here, the auxiliary spark gap (12) is according to the invention accommodated in a small distance between electrodes in a gas at high pressure cavity, whereby the energy loss is reduced at this spark gap (12).