My 1996 mercury sable has a engine code of P0430. ?

Question

do the catalytic converter need replace or is anything else causing this problem code.

Answer 1

it could be the cat or if you have a sensor in the cat, it could be it.

Answer 2

Not O2 sensor or muffler bearing. You need go to exhaust/muffler shop and have cat. converter on bank 2 checked. The shop will know which one. The muffler bearing does not need service. It is a part that requires no maintenance and will last the life of the car.

Answer 3

o2 sensor

Answer 4

Muffler bearing.