Symptom Flow
Symptom Action to Take
Odor From Exhaust System Go to 23-1. 23-1 Check Exhaust System
Black Smoke (Rich Mixture) Go to 23-3. 23-3 Check Air Intake System
Blue Smoke (Burning Oil) Go to 23-6. 23-6 Check Positive Crankcase Ventilation (PCV) System
White Smoke (Coolant) Go to 23-9. 23-10 Check Cooling System