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o2 Sensor

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Old Nov 16, 2008 | 12:04 PM
  #1  
FRZ251's Avatar
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o2 Sensor

I have code p0140 0xygen sensor 2, bank 1. Is this the front o2 closer to the bumper or the rear o2 by the firewall? I keep finding different answers to this. I have the o2 sensor in my hand right now, I'm ready to unscrew them as we speak. -1999 Maxima SE-L 5mt

Last edited by FRZ251; Nov 16, 2008 at 12:24 PM.
Old Nov 16, 2008 | 05:46 PM
  #2  
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sensor 2 is the rear sensor.
Old Nov 16, 2008 | 06:18 PM
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Originally Posted by internetautomar
sensor 2 is the rear sensor.
YES! I just guessed and replaced the rear one! I reset the ecu, I've driven about 40 miles so far ran some erins today, Light hasn't come back on yet, so hopefully its fixed
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