Question

How do I fix the problem with code p0430 on my 2004 Nissan Quest 3.5L?

Answer 1

You probably have to replace the catalytic converter to fix the problem. You could try to start using higher octane gas, sometimes that helps.

P0430 NISSAN - Catalyst System Efficiency Below Threshold Bank 2
Read more: https://www.autocodes.com/p0430_nissan.html