Engine parts, engine classifications and mechanical diagnostics are the topics covered in this course.

Chapter 1 covers engine components, from cylinder head function and construction to systems overview. Chapter 2 is focused on inspection and repair. Disassembly and reinstallation of the cylinder head along with valve train diagnosis and repair.

All of the moving engine parts that have been discussed here must be lubricated, which makes the engine’s lubrication system a critical part of engine operation.

Characteristics of Combustion including compression ratio, abnormal combustion, spark timing and torque are covered in the first chapter while the second chapter covers ignition systems and engine diagnostics.

The following topics are addressed in this unit: Computer Systems, OBDII, Diagnostic System Checks, Scan Tools, The Importance of Mechanical Systems, Manifold Vacuum and Testing and Intermittents.

Air is provided to engine cylinders through various methods of induction. Induction systems are matched, or tuned, to a particular application.