Title: Check and refill diesel exhaust fluid (DEF).
Course: Automotive Technology I (MLR 2-Year Program) (20104-I) > Section: ENGINE PERFORMANCE: Fuel, Air Induction, and Exhaust Systems

Procedures should require following manufacturer recommendations and servicing at regular/recommended intervals.

Process/Skill Questions:

- How is the quality of diesel fuel determined?
- Why is diesel fuel quality important?
- How does diesel fuel quality affect performance?