Question

I got the engine code P0430 on my 2005 KIA Sportage 2.7L. What are HO2S1 and HO2S2?

Answer 1

HO2S1 = Heated (H) Oxygen (O2) Sensor (S) Bank 1 (1)

HO2S2 = Heated (H) Oxygen (O2) Sensor (S) Bank 2 (2)

P0430 KIA Code - Warm Up Catalyst Efficiency Below Threshold Bank 2
Read more: https://www.autocodes.com/p0430_kia.html

Answer 2

Hi there,

These are the O2 sensors, in this case the same bank, the sensor before the converter which is sensor 1 and the sensor after the converter sensor 2.