O2 sensors

how many O2 sensors are thier in my 96 aurora? i found 4 , i before the cat and one after,,,, 2 at each sides of the exhaust manafold.... any more?

4 is the total. 1 on each exhaust manifold & 1 before & 1 after the cat. converter.

4?!?!?

Wow...ok thanks I thought it was only 2

4?!?!?

Wow...ok thanks I thought it was only 2

I seem to recall reading there are only two on the 95s.

Could be , but there are 4 on the '96

Could be , but there are 4 on the '96

That's always what I've heard too. I was just trying to point out where rorastar's confusion came from.