Help with O2 sensor replacement -
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post #1 of 3 Old 05-18-2013, 08:21 PM Thread Starter
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2004 KJ Liberty 
Join Date: May 2013
Location: Acton
Posts: 3
Help with O2 sensor replacement

I've got a 2004 Liberty v6 with a P0139 code...

I think this is one of the back O2 sensors by the exhaust pipe. I'd like to pick up the sensor tomorrow and TRY to replace it myself.

I have no idea what I'm doing aside from what I've managed to learn on google in the past couple hours. Engine light's on and I need to pass inspection



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post #2 of 3 Old 05-19-2013, 09:01 PM
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2005 LJ Wrangler 
Join Date: Feb 2011
Location: Dayton
Posts: 2,330
Bank 1sensor 2 front of vehicle, post cat. Use OEM O2's and borrow a O2 wrench from AZ or Orielly's. make sure you get h correct O2 PB as each one is different. Also be sure not to touch or get anything on he new O2 as hat causes issues.

"Never look down on anyone unless your helping them up"- Jesse Jackson
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post #3 of 3 Old 05-21-2013, 02:36 PM Thread Starter
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2004 KJ Liberty 
Join Date: May 2013
Location: Acton
Posts: 3
thanks all fixed
staceyf07 is offline  

liberty , o2 , oxygen sensor

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