O2 sensor location

[chatham]

Just wondering if anyone knows if there are 1 or just 2 O2 sensors on a 91 Accord. I was reading somewhere about people having two. I think mine is just supposed to have 1, I just wanted verification.

[CB7LX]

it really depends on what type of car you have, if its an LX and has an F22A4 in it you migth have two one on the manifold and the other on the down pipe. What type of engine is in your accord. If you dont see an o2 sensor on your manifold you only have one and its just before your cat on your down pipe. Its easy to find and easy to remove.

[PRIMOCB7]

cb7s have only ONE O2 sensor. the DX/LX models have them located on the upper half of the exhaust manifold, and the EX/SE models have them on the downpipe of the exhaust manifold, right before it bolts to the catalytic converter.

[chatham]

Okay thanks, that clears things up.

Seems I just have no O2 sensor at all.

[HondaFan81]

cb7s have only ONE O2 sensor. the DX/LX models have them located on the upper half of the exhaust manifold, and the EX/SE models have them on the downpipe of the exhaust manifold, right before it bolts to the catalytic converter.

Primo is right.