I have a problem code P0420 bank 1 sensor 2 whitch O2 sensor do I need to replace??
Nov 14, 2010 at 11:47 AM
O2 sensor 2001 GMC pickup
MSG3
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- 1 POST
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Heated Oxygen Sensor (HO2S) (Bank 1 Sensor 1)In left exhaust pipe, before catalytic converter.
Heated Oxygen Sensor (HO2S) (Bank 1 Sensor 2)In left exhaust pipe, after catalytic converter.
Heated Oxygen Sensor (HO2S) (Bank 2 Sensor 1)In right exhaust pipe, before catalytic converter.
Heated Oxygen Sensor (HO2S) (Bank 2 Sensor 2)In right exhaust pipe, after catalytic converter.
Heated Oxygen Sensor (HO2S) (Bank 1 Sensor 2)In left exhaust pipe, after catalytic converter.
Heated Oxygen Sensor (HO2S) (Bank 2 Sensor 1)In right exhaust pipe, before catalytic converter.
Heated Oxygen Sensor (HO2S) (Bank 2 Sensor 2)In right exhaust pipe, after catalytic converter.
Nov 14, 2010 at 12:09 PM
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