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, Check evaporative emission system.
fuel tank vent system blocked,
poor seal on gas cap



PCV valve plugged or stuck
PCV hose blocked or plugged Check PCV system.


Contaminated catalyst
Check for missing or damaged
fillpipe restrictor
Check catalytic converter.




Excessive Emissions High Emission Levels