Dodge 6.1 hemi

Question

P0420, 06 Dodge 6.1 Hemi What is the best approach to fix this code. Engine is running smooth, plenty of all range power, this code just keeps returning about every 150 Miles.

What should I do first?

Answer 1

Hi there,

This code indicates an issue with the catalyst system. Here is some info for you.

P0420 DODGE - Catalyst System Efficiency Bank 1

Read more: https://www.autocodes.com/p0420_dodge.html