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Which o2 sensor??

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Old Jun 11, 2004 | 11:54 AM
  #1  
GrayRanger4x4's Avatar
GrayRanger4x4
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From: Perry,Ga.
Question Which o2 sensor??

Got the codes read and 1 was PO141 which is o2 senser heater circuit malfunction{bank 1 sencer 2}. My 96 X 4.0 has 3 O2 sensors on it{2 right behind the ext. manifolds and 1 behind the cat. cov.} Which 1 is it talling me is bad? Or is there something else that I need to do first to fix the Check engin Light? Ths is the wifes veh. and I went to keep it running 100% if I can.She drives 70 mies a day to /from work+Being a soccer mom.She does not need a brake down along the road.

Thank for the help in advance!
Jeff
 

Last edited by GrayRanger4x4; Jun 11, 2004 at 11:56 AM.
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Old Jun 11, 2004 | 03:37 PM
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Jever
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bank refers to either passanger or drivers side and infront of the cat. I am not sure which bank is which tho. Most likly its not getting a good reading form it. The foul up after about 50k miles or so. Easy to replace on your own and are about 60$
 
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Old Jun 11, 2004 | 08:37 PM
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Jeff, bank one is the passenger side. Sensor two is the one behind the cat. You're lucky, that's the easiest one to reach.... Be sure and check the wiring before calling the sensor bad. Since the wiring travels over the cat, it tends to drop down and sometimes burn.....
 
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Old Jun 11, 2004 | 08:53 PM
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Smile The X Runs Like New Again!!!!

Thanks for the info.I just wented to tell you the wife is happy again .The check enginis out Bad wire on O2 sensor,and no more skip, Darnn bosch plugs.replaces with autolight platium.Also got some autolight wires,changed the oil and airfilter.

THE X RUNS LIKE NEW AGAIN!!!!!
Thanks again.
 
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