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Discussion Starter #1
This car desperately needs an O2 sensor. The exhaust smells terribly of unburned hydrocarbons, and I'm afraid I'm going to plug the cat if I don't get the sensor replaced. I have a crappy Chilton manual that shows me generically where it is, but I can't find it to save myself. The car is an '89 V6.

While I have your attention, can anyone tell me how to easily (if it can be easy) change the rear bank of plugs?

Thanks to all for any information you can share.
 

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Paseo
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5,859 Posts
there is prolly 3 on your car
I'm expecting one in each exhaust pipe directly under the manifolds, and another in the pipe after the 2 join as one
 

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There is one on each exhaust manifold, and one right behind the cat.

If it's the one behind the cat giving you trouble it's a bitch. You have to take atleast your passenger & sometimes the driver's seat out to get to the wiring.
 

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If youre not throwing a check engine light, the o2 sensor(s) are probably ok.
 
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