2003 Chevy Tahoe 02 Censors

2003 CHEVROLET TAHOE
176,000 MILES • V8 • 4WD • AUTOMATIC
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KAINSELNATS
  • MEMBER
  • 1 POST
I need to relplace the 02 Censors on my 2003 Tahoe.
How many are there and where are they located. I was told there are two in the engine compartment and two at the rear exhaust area. Are these difficult to replace?
Sep 20, 2009 at 5:55 AM
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PEAR69
  • ✓Experienced Mechanic
  • 1,482 POSTS
There are two before the cat. converter, and two after the cat. converter. Spray some PB Blaster on the threads before you attempt to remove..
Sep 21, 2009 at 3:07 AM
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