Unit Originally Created By:
CTE Online
Engine Performance*
Part of Course: Advanced Automotive Technology Model
Unit Overview / Details
The lessons in this unit include determining engine size
measurements based on
bore, stroke, displacement, and number of cylinders. being
able to explain engine compression ratio and how it affects engine
performance, explain engine torque and horsepower ratings,
describe the different methods used to measure and rate engine
performance, and explain volumetric efficiency, thermal efficiency,
mechanical efficiency of an engine. All lessons include safe work
practices.
Instructional Time
- Classroom/Lab
- 25 Days
Content / Concepts
This Unit covers:
- Engine maintenance, diagnosis, service and repair
- Lubrication and cooling systems maintenance, diagnosis, service and repair
- Computerized engine controls systems maintenance, diagnosis, service and repair
- Ignition, electronic, and computerized engine controls and fuel management systems maintenance, diagnosis, service and repair
- California Career and Technical Education Standards: 35
- California Academic Content Standards: Reinforced: 11
- All Standards
- Full Details
Lessons in this Unit
Identifying zirconium oxygen sensors
- Lesson time
- 55 Minutes
Oxygen sensor testing using the digital multimeter and DSO on early model sensors (non obd and obd 1) as required by individual manufacturer recommendations.
- Lesson time
- 55 Minutes
In this lesson, students will explore oxygen sensor testing using the digital storage oscilloscope on pre-OBD, OBD 1 and OBD 2 vehicles.
- Lesson time
- 55 Minutes
Students will learn how to retrieve and read automotive diagnostic trouble codes with a scan tool.
- Day 1
- 57 Minutes
- Day 2
- 57 Minutes
- Day 3
- 57 Minutes
Students will locate and identify a typical turbocharger. Students will test and diagnose common problems associated with a turbocharged vehicle.
- One Class Period
- 55 Minutes
Students will learn how to read scope patterns to help diagnose a vehicle state of health. Instructor will use a PowerPoint with scope patterns presentation. Tools needed: binder paper, ruler, PowerPoint on Sun Scope Patterns amd an Oscilloscope if you have one.
- Scope Pattern Drawings
- 87 Minutes
Students will learn about the 5 gases used to diagnose vehicle emissions.
- 1 Hour Instruction 1 Hour Lab
- 2 Days
This is an introductory lesson into the construction, operation and the diagnostic techniques used for the common automobile catalytic converter.
- Lecture
- 120 Minutes
- Demonstration
- 60 Minutes
- Lab
- 180 Minutes
- Closure
- 30 Minutes
This lesson is intended to introduce the automotive students to the purpose, function, evolution, and proper testing of the common automotive EGR valve and activation systems.
- Hook Set/Opening Question
- 15 Minutes
- Lecture
- 90 Minutes
- Demonstration
- 30 Minutes
- Lab
- 120 Minutes
- Closure
- 30 Minutes
Students will understand the function of an ignition system, the types of ignition systems, and identify major components, the operations of ignition coils, spark plugs and spark plug wires.
- Two Blocks
- 180 Minutes
Students will understand the function of the fuel delivery system, types of fuel pumps and tanks, and identify major components.
- one block
- 90 Minutes
Students will understand the purpose and the years of introduction of the evaporative controls, positive crankcase ventilation, exhaust gas recirculation and catalytic converter.
- one block
- 90 Minutes
Students will understand how a typical computerized engine control system operates.
- Block
- 90 Minutes
