Concern and OASIS Number

Concern OASIS #
Exhaust System Concerns 403000
(Visual Smoke or Odor)

Symptom Action to Take

Odor From Exhaust System Go to Z-1. Z1 - Check Exhaust System

Black Smoke
- Rich Mixture Go to Z-3. Z3 - Check Air Intake System

Blue Smoke
- Burning Oil Go to Z-6. Z6 - Check Positive Ventilation (PCV) System

White Smoke
- Coolant in Combustion Chamber Go to Z-8. Z8 - Check Bypass Air (BPA) Control System