Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
SATURNTECH9
AUTOMOTIVE REPAIR CONTRIBUTOR
30,869 POSTS
there are two one in the exhaust manifold which is the front o2 or upstream and the one down by the cat which rear o2 or the down stream one.hope this helped.do u have any codes?
louie