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Fuel injection state-detecting device for use in fuel injection system, has injection nozzle for injecting combustion fuel into internal combustion engine, where fuel pressure sensor detects fuel pressure in fuel supply line
Fuel injection state-detecting device for use in fuel injection system, has injection nozzle for injecting combustion fuel into internal combustion engine, where fuel pressure sensor detects fuel pressure in fuel supply line
The fuel injection state-detecting device has an injection nozzle (10) for injecting a combustion fuel from an injection hole (11b) into an internal combustion engine. An opening operation of a valve element (12) is caused in the injection nozzle. A fuel pressure sensor (20) is provided for detecting the fuel pressure in a fuel supply line (11a,42b).
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