bank 1 oxygen sensor 2 malfunction ?

[fastmayte]

hey, i got one of em actron scanners. i scanned my codes and got " heater curcuit malfuntion, Bank 1 oxygen sensor 2"

i think bank 1 is the o2 before the cat but just confused about the sensor 2 part. where should i start?

thankx for any help

[moebiusgold]

Bank refers to left or right side. Sorry, can't remember which one is which. 1 is the before cat and 2 is the after cat.

[CKlasse]

Driver side - 1.. passenger - 2 :D

[fastmayte]

hey, thnakx, but the thing i'm confused about is that it says (bank 1 sensor 2). know what sensor 2 means?
thankx

[CKlasse]

Sensor 1 - pre cat... Sensor 2 - after cat. ;)

[fastmayte]

hey, thankx. i'm looking at website, hope to find one :)

[Linh]

Bank #1 is on the driver side if you have a v6 or v8 and sensor #2 is after the CAT (sensor #1 is before the CAT).