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There are two ways to "look" at this...

 

but first: remember that the O2 sesor is in the exhaust pipe as close to the front catalytic converter as possible after the engine, so....

 

from under the car follow the two exhaust "headers" coming from the "head", find where they meet, look above the pipe, behind cross member and there it is.

 

OR... from the top, look to the left of the intake box that is hooked to the throttle body, look down, just in front of the axle, you'll see a wire coming up and is hooked into a holder bolted onto the lower bell housing, follow that wire down and there it is.

 

you will need a 22mm wrench to fit, and it'll be a bitty gettin' 'er off

 

Lewis

 

BTW: don't use the chiltons as gospel, most non-suabru publications are not "correct" but may give someone with a clue where to go and what to look for if you are simply not familiar with that model but are able to turn a wrench.

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Lewis, thanks for the lead. I'm on my way out to look at it now.

 

  2.5GL said:

BTW: don't use the chiltons as gospel, most non-suabru publications are not "correct" but may give someone with a clue where to go and what to look for if you are simply not familiar with that model but are able to turn a wrench.

 

Believe me, I know it! I used to work for the company that acquired Chilton. You know how they get most of their procedures? They give two guys a car and tell them to have at it. One does most of the note taking, picture taking, and writing, and the other one does most of the work. No real error checking, fact checking, or double checking to make sure they aren't screwing anything up.

 

Haynes is about the same and there is some top secret arrangement between the two that only the FBI knows the real details of. I suspect J. Edgar Hoover had a secret VP position at both of them.

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2nd O2 sensor should be back behind transmission, after second cat. However, if its a California car it may be on the back side of the first cat. I haven't looked under a 2.2 latley, but my 2.5 RS' is located after the second cat...

 

Lewis

 

That is the #2 sensor, look under the green DOJ axle joint, slightly right in the pic...

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