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Oxygen Sensors

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by 2000suburbanmom, May 6, 2007.

  1. 2000suburbanmom

    2000suburbanmom New Member

    Can anyone tell me exactly where the O2sensors are located on a 2000 Suburban? I know that there are 4 I'm just not sure where they all are.

    Thanks
  2. Crawdaddy

    Crawdaddy Thread Killer Extraordinaire Staff Member 5+ Years 1000 Posts Platinum Contributor

    one should be somewhere around the exhaust downpipe from the exhaust headers and there's probably another 2 behind the catalytic converters. I didn't even realize that the newer burbs have 4. AFAIK, my 91 only has one...

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