Title: Diagnose needed repair on four-stroke engine components.
Course: Small Engine Technology II (20110-II) > Section: Diagnosing and Troubleshooting a Four-Stroke Engine

Diagnosis should include

- interpreting and verifying complaint; determining needed repairs
- inspecting engine assembly for fuel, oil, coolant, and other leaks; determining needed repairs
- listening to engine noises; determining needed repairs
- identifying problem area for no-start condition
- diagnosing the cause of excessive oil consumption and unusual engine exhaust color, odor, and sound; determining needed repairs
- performing engine vacuum tests; determining needed repairs
- performing cylinder compression tests; determining needed repairs
- performing cylinder leakage tests; determining needed repairs.

Process/Skill Questions:

- What procedure is used to diagnose problems with a four-stroke engine?
- How is the economic feasibility of repairing a four-stroke engine determined?
- What customer-related issues are involved with determining needed repairs?