Question

My 2002 Nissan Frontier 3.0L has the P0422, P0328, and P0456 code, what is the meaning of the code? how do I repair?

Answer 1

P0422 NISSAN - Main Catalyst Efficiency Below Threshold Bank 1
Read more: https://www.autocodes.com/p0422_nissan.html

P0328 NISSAN - Knock Sensor Circuit High Input- Bank 1
Read more: https://www.autocodes.com/p0328_nissan.html

P0456 NISSAN - Evaporative Emission Control System Very Small Leak Detected
Read more: https://www.autocodes.com/p0456_nissan.html