AUT 823 - Advanced Automotive Tune-up

1. Check general engine condition.
   1. Complete repair order to include customer concern, cause, and correction.
   2. Research service bulletins.
   3. Check for fluid leaks.
   4. Diagnose abnormal exhaust conditions.
   5. Measure exhaust back pressure.
   6. Test engine vacuum.
   7. Perform compression test.
   8. Perform cylinder leakage test.
   9. Perform power balance test.
   10. Verify correct engine operating temperature.
   11. Adjust valves on appropriate engine.
2. Use an oscilloscope.
   1. Diagnose ignition primary faults.
   2. Diagnose ignition secondary faults.
   3. Interpret input and output waveforms.
3. Use service information to diagnose drivability and emission concerns.
   1. By diagnostic trouble code.
   2. By symptom.
4. Test and repair distributor type ignition systems.
   1. Inspect and test ignition coils.
   2. Inspect and test secondary wires.
   3. Inspect cap and rotor.
   4. Diagnose high resistance ignition faults.
   5. Remove and replace a distributor.
   6. Check and adjust ignition timing.
   7. Perform cam and crank sensor relearn.
   8. Diagnose distributor ignition starting concerns.
   9. Diagnose distributor ignition performance concerns.
   10. Inspect sparks plugs.
   11. Inspect and test crank and cam triggering devices.
   12. Replace ignition system components.
5. Test and repair distributorless ignition systems.
   1. Inspect and test ignition coils.
   2. Inspect and test secondary wires.
   3. diagnose resistance ignition faults.
   4. Diagnose distributorless ignition starting concerns.
   5. Diagnose distributorless ignition performance concerns.
   6. Inspect sparks plugs.
   7. Inspect and test crank and cam triggering devices.
   8. Replace ignition system components.
   9. Perform cam and crank sensor relearn.
6. Diagnose and repair computerized engine controls
   1. Retrieve and record stored diagnostic trouble codes.
   2. Clear trouble codes.
   3. Obtain scan tool data.
   4. Research code information and diagnostic chart.
   5. Check module communication.
   6. Graph input and output data with appropriate equipment.
   7. Check appropriate related OEM and aftermarket systems for drivability or emissions related concern.
   8. Make necessary repairs.
7. Diagnose and repair emission control systems.
   1. Inspect and test positive crankcase ventilation system components.
   2. Inspect and test exhaust gas recirculation system components.
   3. Inspect and test secondary air injection system components.
   4. Inspect and test catalytic converter
   5. Inspect and test evaporative emission systems.
   6. Make necessary repairs.
8. Diagnose and repair fuel and air induction systems.
   1. Check fuel pressure.
   2. Isolate fuel rail.
   3. Clean throttle body.
   4. Inspect and test fuel injectors.
   5. Inspect and test pressure regulator
   6. Check for vacuum leaks.
   7. Inspect for fluid leaks.
   8. Check for fuel contamination.
   9. Diagnose fuel related drivability concerns.
   10. Make necessary repairs.
9. Perform a maintenance tune up.
   1. Research vehicle maintenance schedule.
   2. Perform service per maintenance schedule recommendations.
10. Obtain exhaust gas measurements using 5 gas analyzer.
    1. Identify causes of excessive hydrocarbons.
    2. List causes of excessive carbon monoxide.
    3. Explain causes of excessive oxides of nitrogen.
    4. Identify reasons for improper oxygen levels.
    5. List reasons for improper carbon dioxide levels.
    6. Report on individual state testing requirements.