Nov 30, 2023  
2021-2022 Course Catalog 
2021-2022 Course Catalog [ARCHIVED CATALOG]

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AST 2055 - Electronic Fuel Injection

Credits: 3
Hours/Week: Lecture 2 Lab 2
Course Description: This course covers the operation and service of electronic fuel injection systems. System testing and necessary repairs will be performed. Students must be able to perform physical tasks to complete course requirements.
MnTC Goals

Prerequisite(s): AST 2045  and instructor consent.
Corequisite(s): None
Recommendation: None

Major Content
  1. Benefits of fuel injection
    1. Less parts
    2. Better atomization
    3. Cold drivability
  2. Intake Manifolds
    1. Dry
    2. Wet
  3. Types of fuel systems
    1. Two line
    2. One line
  4. Fuel system components
    1. Tank and Lines
    2. Regulator
    3. Injectors
    4. Fuel Pump
  5. Fuel pressure regulation
  6. Fuel pressure and component testing
  7. Idle speed control
    1. Electronic throttle control
  8. Safety
    1. General shop
    2. Precautions relative to course
  9. Direct injection systems
    1. high pressure fuel pumps
    2. high pressure fuel injectors & drivers pressure sensors
    3. specialty tools
    4. safety procedures surrounding high pressure components

Learning Outcomes
At the end of this course students will be able to:

  1. describe safety precautions associated with course.
  2. identify fuel system components.
  3. locate fuel system components.
  4. perform fuel pressure testing.
  5. test fuel system components.
  6. diagnose fuel injection problems.
  7. replace defective components.
  8. perform NATEF tasks during fuel system testing completing

Competency 1 (1-6)
Competency 2 (7-10)

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