[ImpalaSSBX]

Hello everyone;

I have three codes that appeared after my check engine light came up:

1. Code: P0151 - Ho2s-21 circuit condition (Heated Oxygen Sensor Bank 2 Sensor 1 (Which Sensor is that the one on the drivers side or the passenger side, after the catalytic?

2. Code: P0141 - HO2S 12 Heater Condition ( Heated Oxygen Sensor Bank 1 Sensor 2)

3. Code: P0410 - The pcm has deteremined that a malfunction exists in the secondary air injection system.

Can anyone help, and is it a do it yourself project.

Thanks in advance

 

[capricewiz]

for one which engine and 2 do you have the actual codes for the pcm?