had all the oxogen sensors replaced on car. now the p0430 code is on. what is that?

Question

I just had oxogen sensors replaced and now the p0430

Answer 1

most likely the the catalytic converter on bank 2 is bad, if there is not issues with the engine, and no physical exhaust damage or leaks

 

 

 

Possible causes

- Three way catalyst converter Bank 2

- Exhaust tube

- Intake air leaks

- Fuel injectors may be faulty

- Fuel injector leaks

- Spark plugs may be faulty

- Improper ignition timing

- Powertrain Control Module (PCM)