One problem related to emission control has been reported for the 2003 Mazda MAZDA6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Mazda MAZDA6 based on all problems reported for the 2003 MAZDA6.
Manufacturing problems with 2003 Mazda 6 / auto alliance International facility. There was rust on the door sashes of all four. The consumer's vehicle may be one of 46k assembled at the aai facility throughout July of 2003 that was potentially affected. The cd player/changer had become defective, there was a defective fuse access cover, there was a rattling in interior driver and passenger door panel while driving or when listening to music, and there was a rotten egg smell that had come from the exhaust which entered the cabin.