Exhaust Sulphur (Rotten Egg) Smell

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Mazda Tribute, 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, and 2003 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Slight sulphur smell may be normal. Catalyst with between 5000 and 10,000 miles or less (new vehicles or recently replaced catalyst) are likely to have sulphur smell due to highly active state of new catalyst.

Check for disconnected or poorly connected electrical connectors.
Check for charcoal canister malfunction.
Check for disconnected or incorrect connection of vacuum lines.
Check for improper fuel pressure.
Check for poor fuel quality.