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, Evaporative Emissions System
fuel tank vent system blocked,
poor seal on gas cap



PCV valve plugged or stuck Check PCV system. CRANKCASE or
PCV hose blocked or plugged Testing and Inspection



Contaminated catalyst Check for missing or worn
fuel fillpipe restrictor.




Excessive Emissions