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?