Sep 27, 2011 #1 B Bignasty1 New member Joined Sep 27, 2011 Messages 0 Reaction score 0 Points 0 i have a 1998 lexus es300 and i am replacing my catalytic converter and i purchased a upstream o2 sensor along with a downstream o2 sensor. i need to clarify if there is another one and where it is??
i have a 1998 lexus es300 and i am replacing my catalytic converter and i purchased a upstream o2 sensor along with a downstream o2 sensor. i need to clarify if there is another one and where it is??
Sep 29, 2011 #2 L louisN New member Joined Nov 20, 2008 Messages 2 Reaction score 0 Points 1 1 upstream and 1 downstream....you got the correct sensors