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Where is Bank 2 Sensor 2 Oxygen Sensor

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Old 12-23-2012, 07:30 PM
Teager Teager is offline
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Where is Bank 2 Sensor 2 Oxygen Sensor

I have a 2009 F-250 gas/5.4 and just had the dealer replace the passenger side knock sensor because a mouse chewed through the wire and check engine light came on. Twenty five miles after leaving the dealer the check engine light comes on and I took it to Auto Zone to read the code and they said it was P2272 which is bank two sensor two oxygen sensor. Does anyone know why I would now have this problem and where this sensor is located ? Before or after cat and pasenger or drivers side ?
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Old 12-23-2012, 08:30 PM
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Rongold Rongold is offline
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OXYGEN SENSOR

Bank 2 Sensor 2 should be on the Driver's side rearward of the catalytic converter.


RON
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Old 12-24-2012, 07:29 PM
SDTriton250 SDTriton250 is offline
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I changed both of mine a couple of months ago. I thought bank 2 was on the passenger side. Same code came back. Then I learned here that bank 2 is driver's side on a Ford. Easy job with a 7/8" box end wrench. Mine are actually in the catalytic converter cases. Sensors 1 are in the head pipes before the cats.
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Old 12-26-2012, 08:19 AM
Teager Teager is offline
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Thanks, I tried taking mine out yesterday and despite soaking it down pretty good I could not budge it. Truck only has 52k on it so I am a little shocked I could not get it out.
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Old 12-26-2012, 08:55 AM
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Quote:
Originally Posted by Teager View Post
Thanks, I tried taking mine out yesterday and despite soaking it down pretty good I could not budge it. Truck only has 52k on it so I am a little shocked I could not get it out.
Take a torch(propane or acetylene) and heat around the sensor on the pipe while you are trying to turn the sensor. That is the only way I could get my 25 year old Blazer's sensor out last week. Make sure you have an extinguisher close by in case you got too much penetrant on it.
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Old 12-26-2012, 07:07 PM
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Our son's 15 yr old Dakota was a bear to change. After penetrating oil and a torch, I finally grabbed a pipe wrench. Thought I was going to ruin the exhaust pipe before it finally broke loose. With my F250, I used the box end wrench and a short pry bar for leverage against the pipe and wrench. They both broke loose pretty easy. Their location actually made this method easier.
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Old 12-27-2012, 05:55 AM
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Use a good penetrating oil, like PB Blaster or the WD-40 penetrating oil. Regular WD-40 is not a penetrating oil.
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