2003 Hyundai Tiburon "engine runs rough smells eggs" Questions

...engine rpm went down iddle rough for a little while, then start running normally, about a couple of minutes did the same thing, also notice a foul smell like rotten eggs. If your car has a manual ...

...runs even rougher until I get a check engine light. The exhaust smells a little like rotten eggs. Trouble codes are P0174 and P0306, bank 2 lean and #6 misfire. What would most probably cause these ...

...runs rough, backfires, and smells like rotten eggs. If I drive it for several miles it will clear up and run good until it sits for several days again. The check engine light does not come on when ...

...engine compartment). Any ideas? Could be catalytic converter but that would smell a certain way some say like eggs is the car running rough check to see if your breaks are bad or your wheel bearings ...

...runs very rough,smells like rotten egg, and stalls out occasionally. I need to know how to check the codes, and what the code numbers represent. Sounds like the catalytic converter has gone bad. What ...

...engine light came on it's running really rough. It also smell like rotten eggs. I have tried the gas cap thing and checked all thefluid levels and still nothing its your alternator voltage regular ...

COLD STARTUP ENGINE RUNS ROUGH AND ROTTEN EGG SMELL OF EXHAUST, AFTER FEW MINUTES CAR IS NORMAL your cat is bad.

2000 montana running rough, rotten egg smell, check engine light coming on and off replace the CATALYTIC CONVERTOR that will fix it..

engine suddenly started running rough, added fuel injector cleaner, ran that through for ~10 miles and then refilled tank with high octane fuel, still rough, exhaust smells strong like rotten egg, and

...engine began running very rough with a distinct rotten egg smell. First thought was catalytic converter issue. Took to Auto Zone for code reading but according to scanner, passed with no problems. ...