ok i have a 96 gle auto with 102k miles i just changed my knok sencsor a week later i get check engene light i go check my o2 sensor is bad now my car have no power at all and my mufler sounds like i have one of those civic muflers even tho is original and it smels like bad eggs what should i do i dono what killed my o2 sensor what should i fix first my muffler or my o2 sensor did any one had same problem ? plz help

 

rotten eggs smell means your catalytic converter took a crap

 

replace both asap, it sounds like the cat is very clogged, get a new oem cat or a straight pipe, race pipe for $20

 

i heard catalytic is very expensive is like over $200
what about my o2 sensor
where do i get one ?