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Oxygen sensors showing code P0140 and P1153?

Tiny
FISHTECH
  • MEMBER
  • 1999 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
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
Thursday, February 7th, 2008 AT 12:09 AM

2 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
P1153 is for passenger side front O2 sensor. P0140 is for driver side rear O2 sensor.
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Tuesday, February 26th, 2008 AT 9:06 PM
Tiny
FAST92LT1RS
  • MEMBER
  • 13 POSTS
With 120K if they are all factory sensors, I would go ahead and replace all four.

Pete
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Monday, March 3rd, 2008 AT 7:54 AM

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