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Unread 05-18-2013, 08:21 PM   #1
staceyf07
Registered User
2004 KJ Liberty 
 
Join Date: May 2013
Location: Acton, MA
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

Thanks

Stacey

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Unread 05-19-2013, 09:01 PM   #2
JPNinPA
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2005 LJ Wrangler 
 
Join Date: Feb 2011
Location: Dayton, Ohio
Posts: 2,248
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.
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Unread 05-21-2013, 02:36 PM   #3
staceyf07
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2004 KJ Liberty 
 
Join Date: May 2013
Location: Acton, MA
Posts: 3
thanks all fixed
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