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 charcoal canister,
fuel tank vent system blocked,
poor seal on gas cap 1. Check Fuel Evaporative system. See Evaporative Emissions System.
If OK, go to step 2.
2. Check Evaporative System electronic controls.



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



Contaminated catalyst Check for missing or worn fuel fillpipe restrictor



Excessive Emissions See High Emission Levels.