Originally Posted by
phil_focus
haha, ay be sooner than you think when the next problem occurs
there are 2 lambda sensors on the st170, pre cat and post cat. not sure what it means by bank 1 but i assume sensor 2 is post cat which just checks the operation of the cat.
hopefully someone can clarify which one its on about.
Looked on the net - bank refers to which side of engine left or right ie. V6 or v8, so only one bank on straight 4 cyliners, and like you said 1 should be front 2 should be rear
