2011 dodge avenger po420 and po430

Question

I changed out the o2 sensor, now ran a cat cleaner thru, no getting the 520 and 430 codes no longer getting the O2 sensor code.

Answer 1

Hi there

These are catalytic converter codes, not O2 sensor codes. If you are still getting these codes after the work you have done then more then likely the car needs new catalytic converters on it. Here are some other possible causes.

P0430 DODGE - Catalyst Efficiency Bank 2

Read more: https://www.autocodes.com/p0430_dodge.html