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 Check Evaporative system
fuel in carbon canister, in TESTING PROCEDURES
fuel tank vent system blocked,
poor seal on gas cap

PCV valve plugged or stuck Check PCV system in
PCV hose blocked or plugged TESTING PROCEDURES

Contaminated catalyst Check for missing or worn
fuel fillpipe restrictor

Excessive Emissions Refer to HIGH EMISSION LEVELS