Engine Performance
Introduction to Engine Performance – Study Guide
©2005 Melior, Inc. ____________________________________________________________________________________
Introduction
The engine is the power plant of a vehicle. Automotive engines have gone through tremendous changes since the automobile was first introduced in the 1880s, but all combustion engines still have three requirements that must be met to do their job of providing power – air, fuel, and ignition. The mixture of air and fuel must be compressed inside the engine in order to make it highly combustible and get the most out of the energy contained in the fuel mixture. Since the mixture is ignited within the engine, automobile power plants are called internal combustion engines. Most can be further classified as reciprocating piston engines, since pistons move up and down within cylinders to provide power. This up-and-down motion is converted into turning motion by the crankshaft.
Some of the main engine components This course will provide an introduction to automotive engines and engine performance. Subjects covered will include: • Major engine components • Engine classifications • The four stroke cycle and other engine design operations • Engine construction • Air-fuel systems • Ignition systems • Cooling and lubrication systems • Exhaust systems, computer systems, and emissions • Engine performance and diagnostic strategies • Engine diagnostic tools • Basic diagnostic testing
Course Objectives
Upon completion of this course, technicians should understand and be able to apply and demonstrate their knowledge of: • Engine classifications and components • Engine operations and construction • Engine systems including cooling, lubrication, computer, and fuel and ignition systems • Exhaust and emissions systems • Engine performance and diagnostic strategies • Basic engine diagnostic testing and test equipment Using the Job Sheets As you proceed through this module, on some pages you will find links to job
©2005 Melior, Inc. ____________________________________________________________________________________
Introduction
The engine is the power plant of a vehicle. Automotive engines have gone through tremendous changes since the automobile was first introduced in the 1880s, but all combustion engines still have three requirements that must be met to do their job of providing power – air, fuel, and ignition. The mixture of air and fuel must be compressed inside the engine in order to make it highly combustible and get the most out of the energy contained in the fuel mixture. Since the mixture is ignited within the engine, automobile power plants are called internal combustion engines. Most can be further classified as reciprocating piston engines, since pistons move up and down within cylinders to provide power. This up-and-down motion is converted into turning motion by the crankshaft.
Some of the main engine components This course will provide an introduction to automotive engines and engine performance. Subjects covered will include: • Major engine components • Engine classifications • The four stroke cycle and other engine design operations • Engine construction • Air-fuel systems • Ignition systems • Cooling and lubrication systems • Exhaust systems, computer systems, and emissions • Engine performance and diagnostic strategies • Engine diagnostic tools • Basic diagnostic testing
Course Objectives
Upon completion of this course, technicians should understand and be able to apply and demonstrate their knowledge of: • Engine classifications and components • Engine operations and construction • Engine systems including cooling, lubrication, computer, and fuel and ignition systems • Exhaust and emissions systems • Engine performance and diagnostic strategies • Basic engine diagnostic testing and test equipment Using the Job Sheets As you proceed through this module, on some pages you will find links to job