Oxygen Sensor

[Jichan]

My "Check Engine" light comes on at times and I've read that the oxygen sensor may be the culprit. Could someone please send a pic of the location of that piece? Is it near the catalytic converter? I own a 1991 2.3L silver fox body hatchback. Thanks in advance!

 

[ALMOST STOCK]

No picture but ...Under hood, passenger side, lower engine area, mounted in rear of exhaust manifold.
Or another way to say it is;
Its right above the cat and below the manifold. If you follow it then you'll find it (wiring is just below the heater core lines).
You might need a torch to heat it up and remove it.

 

[Jichan]

Almost Stock,
Thanks for pointing out the location of the sensor. I'll check on it soon.

 

[John2002]

If this is your header, then it just above the flange top bolt hole, the flat silver nut is in the 02 opening. I checked Walker mufflers chart and it showed everything after the header , not bunge for a 02 sensor in the pipes after the collector....

 

[Jichan]

Almost Stock,
Where would you torch it exactly? Would too much heat somehow damage the threads? I've never used a torch and am not familiar with the procedure . . .

 

[ALMOST STOCK]

Almost Stock,
Where would you torch it exactly? Would too much heat somehow damage the threads? I've never used a torch and am not familiar with the procedure . . .

You want to heat the area around the sensor and the exhaust pipe and you won't damage the threads by doing so .
Have you tried the socket made especially for removing the 02 sensor? If not you should be able to find one at your local auto parts store or even Sears.
The are made with a place on the side for the wires to slip into so that you don't have to cut them, you just slip the socket over the wires and down onto the sensor.. you might try tightening t the sensor just a little to help break it loose and then try removing it.
This is what the socket for the 02 sensor looks like.

 

[Jichan]

Almost Stock,
Thanks for your input and pics. I'll get that socket and give it a try!

 

[ALMOST STOCK]

Looking forward to hearing how that worked out.