Title: Explain the operating principles and maintenance of a high-pressure fuel injector.
Course: Agricultural Power Systems, Advanced (18402-II) > Section: Maintaining and Servicing Fuel Systems

Explanation should include

- purpose of fuel injectors (add fuel to the air)
- types of fuel injectors
  - throttle body—one fuel injector is used to supply fuel to all of the engine’s cylinders
  - port—there is one fuel injector for each cylinder

- how to maintain them according to manufacturer specifications.

Process/Skill Questions:

- Why have fuel injectors become more popular in vehicles?
- What symptoms would the engine exhibit when the fuel injector is clogged?