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1999 GMC Yukon 1999 GMC Yukon O2 Sensor Locations

Tiny
JPADILLA179
  • MEMBER
  • 1999 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 165,000 MILES
I had a fault code for a faulty O2 sensor, Bank 2 but didn't verify loc. Where are the two sensors in bank 2? I found one behind the catalytic converter an changed it out, then the fault code came up again. Where are the other bank 2 locations?
Monday, August 16th, 2010 AT 10:32 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Heated Oxygen Sensor (HO2S) Heavy Duty


https://www.2carpros.com/forum/automotive_pictures/12900_o_7.jpg



Heated Oxygen Sensor (HO2S) Light Duty


https://www.2carpros.com/forum/automotive_pictures/12900_o1_6.jpg



In the right exhaust pipe, after the catalytic converter

https://www.2carpros.com/kpages/auto_repair_manuals_alldata.htm
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Monday, August 16th, 2010 AT 11:38 PM

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