Maricopa Community Colleges  APT181   19952-99999 
Official Course Description: MCCCD Approval: 12/13/94
APT181 19952-99999 LEC
LAB 		6 Credit(s)
0 Credit(s) 		3 Period(s)
7 Period(s)
Engine Performance and Diagnosis I
Designed for beginning automotive students. Engine construction and operating principles, including lubrication, cooling, induction, exhaust, fuel, emission and ignition systems. Includes training in diagnosis, testing, service, and repair. Prerequisites: None.
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MCCCD Official Course Competencies:
 
APT181   19952-99999 Engine Performance and Diagnosis I
1. Dress and work in a professionally safe manner. (I)
2. Operate hand tools, power tools, and automotive equipment, conforming to safety standards. (I)
3. Classify fires and use fire extinguishers. (I)
4. Explain and apply the physical principles on which an internal combustion engine operates, including the cooling, lubricating, exhaust and crankcase ventilation systems. (II, IV)
5. Apply the S.I. metric system to automotive technology. (III)
6. Identify and use automotive fasteners. (III)
7. Identify and use automotive hand and power tools. (III)
8. Calculate, measure, and apply automotive measuring systems. (III)
9. Diagnose, test, service, and repair mechanical engine malfunctions. (IV, V, VI, VII)
10. Explain the chemical properties of and the rating systems for gasoline and diesel fuel. (VIII)
11. Explain and apply the theoretical principles upon which carburetion and fuel injection systems operate. (VIII)
12. Diagnose, test, service, and repair fuel delivery systems. (IX)
13. Diagnose, test, service, and repair carburetors. (X)
14. Explain and apply the theoretical principles upon which ignition systems operate. (XI)
15. Diagnose, test, service, and repair distributor- type ignition systems. (XI)
16. Use automotive oscilloscopes to diagnose ignition system malfunctions. (XI)
17. Use a systematic problem-solving approach when diagnosing engine, fuel system, and ignition system malfunctions. (IV, V, VI, VII, IX, X, XI)
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MCCCD Official Course Outline:
 
APT181   19952-99999 Engine Performance and Diagnosis I
    I. Safety
        A. Technician and customer s
        B. Tools and equipment
        C. Vehicle lifting
        D. Operation of vehicle in shop
        E. Fire
        F. Air bag
        G. Anti-lock brake
      II. The Engine and Science
          A. Matter and atoms
          B. Chemical reactions
          C. Basic physics
          D. Gases and liquids
          E. Torque, speed and power in gears and mechanics
        III. Measuring Systems and Tools
            A. English measurement
            B. The SI metric system
            C. Metric units for automotive technicians
            D. Guidelines for conversion
            E. Precision measuring tools
            F. Fasteners
          IV. Engine Design and Operation
              A. Theory
              B. Cycles
              C. Emission control
              D. Engine displacement and compression
              E. Engine torque and power
              F. Engine pressure
              G. Engine gaskets and seals
              H. Engine mechanical diagnosis and testing
              I. Engine mechanical performance service and repair
            V. Engine Cooling Systems
                A. Construction and operation
                B. Diagnosis and testing
                C. Service and repair
              VI. Engine Lubrication and Ventilation Systems
                  A. Lubrication requirements
                  B. Oil composition
                  C. Oil classifications
                  D. System construction and operation
                  E. Crankcase ventilation
                VII. Exhaust Systems
                    A. Operating requirements
                    B. Construction and operation
                    C. Diagnosis and testing
                    D. Service and repair
                  VIII. Fuel Systems
                      A. Fuel production
                      B. Gasoline
                      C. Diesel fuel
                      D. Emissions
                    IX. Fuel Storage and Fuel Delivery
                        A. Tanks, filters, and lines
                        B. Fuel pumps
                        C. Fuel gauges
                        D. Air cleaners and filters
                        E. Thermostatically controlled air cleaners
                      X. Induction and Carburetion
                          A. Air pressure differential
                          B. Airflow and venturi action
                          C. Engine operation and carburetion requirements
                          D. Fuel atomization, vaporization, and distribution
                          E. Basic carburetor circuits
                            1. Float circuit
                            2. Idle circuit
                            3. Main metering circuit
                            4. Power circuit
                            5. Pump circuit
                            6. Choke circuit
                          F. Carburetor types
                          G. Carburetor linkages
                          H. Choke, idle mixture, idle speed and deceleration controls
                          I. Altitude compensation
                          J. Diagnosis and testing
                          K. Service and repair
                          L. Evaporative emission control systems
                        XI. Ignition Systems
                            A. Basic theory of construction and operation
                            B. Trigger circuits
                            C. Primary circuits
                            D. Secondary circuits
                            E. Diagnosis and testing
                            F. Service and repair
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