Excessive Odors - Fuel, Emissions

Vehicle has excessive "rotten egg" smell. Raw fuel (gasoline) can be smelled. Excessive odors do not necessarily indicate excessive emissions.

POSSIBLE CAUSES

Faulty Purge Valve, Liquid Fuel In Carbon Canister, Fuel Tank Vent System Blocked, Poor Seal on Gas Cap
- Check Evaporative system in "Testing Procedures"

PCV Valve Plugged Or Stuck, PCV Hose Blocked Or Plugged
- Check PCV system in "Testing Procedures"

Contaminated Catalyst
- Check for missing or worn fuel fillpipe restrictor

Excessive Emissions
- Refer to High Emission Levels in "Diagnosis By Symptom"