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Thread: Oxygen Sensors

  1. #1

    Default Oxygen Sensors

    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.


  2. #2


    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...

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
    2005 Saturn ION-2 Stock 277K miles
    1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half

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