2 genericize the question since this happens on lots of other cars too :)
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How to Unscrew/loosen stuck O2 sensor in a 2001 Honda Accord, with a F23A4 engine?

I have been trying to unscrew my faulty O2 sensor (to replace it with a new one I purchased) in a 2001 Honda Accord, with a F23A4 engine, per the following instructions:

http://www.amazon.com/review/R1SWOA58S291M5/ref=cm_cr_pr_viewpnt/188-1569319-6299352#R1SWOA58S291M5

To no avail...

It doesn't look rusty, it is just stuck. I tried first WD-40, didn't help. I then tried Liquid Wrench, didn't help. I then tried PB Blaster, didn't help.

Others report not even needing all of that, so I must be doing something wrong (and I am using the the special socket for this sensor!). What am I missing?

enter image description here

How to Unscrew stuck O2 sensor in a 2001 Honda Accord, with a F23A4 engine?

I have been trying to unscrew my faulty O2 sensor (to replace it with a new one I purchased), per the following instructions:

http://www.amazon.com/review/R1SWOA58S291M5/ref=cm_cr_pr_viewpnt/188-1569319-6299352#R1SWOA58S291M5

To no avail...

It doesn't look rusty, it is just stuck. I tried first WD-40, didn't help. I then tried Liquid Wrench, didn't help. I then tried PB Blaster, didn't help.

Others report not even needing all of that, so I must be doing something wrong (and I am using the the special socket for this sensor!). What am I missing?

enter image description here

How to Unscrew/loosen stuck O2 sensor

I have been trying to unscrew my faulty O2 sensor (to replace it with a new one I purchased) in a 2001 Honda Accord, with a F23A4 engine, per the following instructions:

http://www.amazon.com/review/R1SWOA58S291M5/ref=cm_cr_pr_viewpnt/188-1569319-6299352#R1SWOA58S291M5

To no avail...

It doesn't look rusty, it is just stuck. I tried first WD-40, didn't help. I then tried Liquid Wrench, didn't help. I then tried PB Blaster, didn't help.

Others report not even needing all of that, so I must be doing something wrong (and I am using the the special socket for this sensor!). What am I missing?

enter image description here

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1
source | link

How to Unscrew stuck O2 sensor in a 2001 Honda Accord, with a F23A4 engine?

I have been trying to unscrew my faulty O2 sensor (to replace it with a new one I purchased), per the following instructions:

http://www.amazon.com/review/R1SWOA58S291M5/ref=cm_cr_pr_viewpnt/188-1569319-6299352#R1SWOA58S291M5

To no avail...

It doesn't look rusty, it is just stuck. I tried first WD-40, didn't help. I then tried Liquid Wrench, didn't help. I then tried PB Blaster, didn't help.

Others report not even needing all of that, so I must be doing something wrong (and I am using the the special socket for this sensor!). What am I missing?

enter image description here