Oxygen sensors showing code P0140 and P1153?

1999 GMC YUKON
120,000 MILES • V8 • 4WD • AUTOMATIC
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FISHTECH
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  • 2 POSTS
My Yukon is showing code P0140 and P1153 which point to an oxygen sensor malfunction but this vehicle has 4 sensors. How do I know which one to replace?
Thanks
Feb 7, 2008 at 12:09 AM
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DENNYP
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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P1153 is for passenger side front O2 sensor. P0140 is for driver side rear O2 sensor.
Feb 26, 2008 at 9:06 PM
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FAST92LT1RS
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With 120K if they are all factory sensors, I would go ahead and replace all four.

Pete
Mar 3, 2008 at 7:54 AM
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