AUM 266 Engine Performance 1

Lecture Hours: 3
Lab Hours: 6
Credits: 5

Covers basic principles of fuel and induction systems. Includes the basics of pressure differential, the Venturi principle, and fuel systems for gasoline and diesel engines. Examines basic carburetor overhaul, service, and adjustment. Introduces fuel injection operation and testing, both gas and diesel. Explores basic emission controls and testing.

Prerequisite: AUM 161 and AUM 176, each with a grade of C or better; or consent of instructor.
Student Learning Outcomes:

List and describe the major components in the fuel system.
Explain the basic operation of an internal combustion engine.
Describe the properties of modern fuels.
List octane and cetane ratings and describe how they are derived.
Explain operation of carburetor circuits and the use of pressure differential.
Assemble and adjust a carburetor following industry standards.
Describe the basic operation of mechanical fuel pumps.
Explain mechanical diesel injections systems.
Identify basic component sensors and explain operation of open/closed loop systems.
List emissions and exhaust gas content related to the automotive engine.

Content Outline

Carburetor Fundamentals
- Air/fuel ratio
- Carburetor circuits
- Carburetor special features
Engine Variables
- Engine requirements
- Physics of the fuel system
- Compression ratio
Fuels and Alternative fuels
Fuel Systems Operation
- Fuel tank
- Fuel pump
- Intake manifold
- Carburetor
- Fuel Injection
Diesel Fuel Systems Operation
- Injection pumps
- Injection nozzles
Fuel System Service
- Supply system diagnostics
- Fuel tank
- Fuel pumps
- Injection service (diesel and gas)
Introduction to Open/Closed Loop Systems
Introduction to Emissions Control Systems