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 CAUSE ACTION


Faulty purge valve, liquid
fuel in carbon canister, See Evaporative Emission Control System
fuel tank vent system blocked,
poor seal on gas cap



PCV valve plugged or stuck
PCV hose blocked or plugged See Positive Crankcase Ventilation System


Contaminated catalyst
Check for missing or damaged
fillpipe restrictor