Excessive Exhaust Emissions (Odors)

1. Vacuum leaks.
2. Improper ignition timing.
3. Faulty emissions cannister. See chart C-3
4. Faulty PCV valve.
5. Blocked PCV vacuum hose.
6. Faulty spark plugs.
7. Faulty spark plug wires.
8. Improper fuel usage.
9. Fuel in crankcase.
11. Improper EGR valve operation. See chart C-7