P0030 KIA - p0420 kia

Question

Replaced o2 sensor got p0420,p0130,p0030,p0302 and I don't know where to start

Answer 1

Hi there,

P0420 indicates an issue with the catalyst converter. Here is some info for you.

P0420 KIA - Warm Up Catalyst Efficiency Below Threshold Bank 1

Read more: https://www.autocodes.com/p0420_kia.html 

P0130 and P0030 indicates an issue with the heated O2 sensor on bank 1 sensor 1. Here is some info for you.

P0130 KIA - HO2S11 Circuit Fault

Read more: https://www.autocodes.com/p0130_kia.html

P0030 KIA - HO2S 11 Heater Circuit Malfunction

Read more: https://www.autocodes.com/p0030_kia.html

P0302 indicates a misfire on cylinder 2. Here is a list of possible causes.

P0302 KIA - Cylinder 2 Misfire Detected

Read more: https://www.autocodes.com/p0302_kia.html