Infinity qx4 2003 code po430

Question

i have the code po430 in my infinity QX4 that it says "catalyst efficiency below threshold bank 2 what does this means?

Answer 1

The code means that the catalytic converter is nto working properly and needs to be replace.

You can read more about the catalytic converter here: https://www.autocodes.com/articles/catalytic-converter.php