Fuel injectors,commonly known as nozzles,are precision components of the fuel system in diesel engines.They are installed on the cylinder head and are responsible for atomizing high-pressure diesel,accurately spraying it into the combustion chamber,and determining engine start-up,power,fuel consumption,and exhaust quality.Divided into two categories:mechanical fuel injectors and common rail electronic fuel injectors,common rail injectors are the main type of electronic fuel injectors for China III and later electronic fuel injection models.　　The mechanical fuel injector relies on the die...