K kelleyj1837 New member Jan 11, 2011 #1 I have a scan tool and it told me P0140. thats a oxygen sensor but where is (bank 1 sensor 2). also it is a 2002 buick regal LS.
I have a scan tool and it told me P0140. thats a oxygen sensor but where is (bank 1 sensor 2). also it is a 2002 buick regal LS.
