Portland Community College | Portland, Oregon

This course is designed for students with no previous industry experience. Students will develop the skills", knowledge and attitudes necessary to perform, with limited supervision, the appropriate procedures involved in engine maintenance, problem diagnosis, repair and adjustments on cars, pickups and vans. This course will prepare students for the final Engine Performance modules 43 and 53 which provide the opportunity to practice learned skills on customer and school controlled vehicles in a “live shop” setting. This will begin the skill level necessary for employment at an apprentice level. 

The course material will be presented in a lecture/laboratory format and include videos", handouts and hands-on lab experience in the shop. Students are required to read assigned materials, take notes, complete homework assignments and research information in service manuals and with electronic service information systems. 

• Perform engine performance inspection, maintenance, diagnosis and repairs relating to emission control systems.
• Access and utilize repair information in a rapidly changing technology.
• Å·ÖÞ±­¾öÈü¾º²Âapp_Å·ÖÞ±­×ãÇòÍø-Ͷע|¹ÙÍø and implement strategies and processes to solve engine performance problems relating to emission control systems.
• Perform engine performance repair of emission control systems to professional and ethical standards.

Students will demonstrate effective work with fellow technicians in the following ways:.

• Attendance requirements include penalties for excessive days missed and lates.
• Lecture participation requirements include bringing textbooks to class, being prepared to take notes and remaining attentive in class.
• Laboratory participation requirements include demonstrating good craftsmanship, using time wisely, treating equipment properly, using procedures properly, demonstrating acquired skills and correct use of tools.
• Demonstrate preparedness for ASE testing by achieving a passing score on all written exams and completing homework assignments.
   
• Scoring worksheets completed in the laboratory..Successful completion of laboratory work in the following areas:
  a. Practice the use of vacuum gauges.
  b. Understand the purpose, operation and testing procedures for emission control systems.

• Understand and articulate the causes of air pollution.
• Define and discuss the 5 gas analyzer.
• Define and discuss pressure differential.
• Define and discuss A-F ratio.
• Define and discuss throttle body icing.
• Discuss exhaust emission control systems.
• Define and discuss federal", state laws and I/M programs.

COMPETENCIES AND SKILLS  

• Articulate why pollution control systems are used orally and/or written.
• Utilize the 5 gas analyzer for diagnosis and repair.
• Evaluate and diagnose engine operation using the vacuum gauge.
• Articulate A-F ratio orally and /or written. Evaluate systems used to prevent throttle body icing.
• Evaluate systems used to prevent throttle body icing.
• Evaluate properly working exhaust emission control systems and repair failures.
• Articulate federal", state laws and I/M programs orally and/or written.