What does these codes mean;P0430,P0420,P0344,P0430,P04320. Can I fix these mysel on 2003 Chrysler Concorde

Needs response ad soon as ppssible.God blesd

Asked by for the 2003 Chrysler Concorde
1 answer
cat converter codes are the 420,430. the cam sensor is the 344.
can you fix it?? sure but replacing the cats is not an easy job. it pays around 2 hours for a shop but yourself may be double the time.
the 344 needs to be checked to verify the failure.