Okay well im getting really bad gas mileage and i was thinking hmm.. mayde the oxygen sensor... I was looking all over for it on the exhuast manifold and i couldnt find it? I went to my dad's mechanic and asked him and he looked and said i didnt have 1...

Where is the oxygen sensor?? or
Do i not have 1

I have a 79 280zx

 

Some1 Please Help?

 

You dont have one. I have an '80 ZX and it doesnt have one. My '83 ZX does though.

 

okay cool thanx for the clarification