Are all 4 O2 sensors the same?

[Canucklehead]

Originally Posted by ing_erika

I figure it out now ! ! ! stdr has only 3 sensors, I know which one has to be changed now ! thanks a lot for your helpppp. ! !


Egm

Manual tranny still has 4 sensors. There is one one each exhaust leg before the "Y", one before the cat (after the "Y") and one after the cat.

[php]

The O2 sensors may come out easier if you can loosen them up while the exhaust is hot and then finish the job after the exhaust has cooled down.