oxygen sensor

Discussion in 'Chevy Tahoe Forum (GMC Yukon, Cadillac Escalade)' started by loic, Jul 4, 2010.

  1. loic

    loic Rockstar

    engine light came on a while back and it said the oxygen sensor bank .. something I forgot...but there was 3 fault. so how difficult is it to replace them ? best place to buy them ?

    thanks !! and happy 4th to everyone !!!
  2. ippielb

    ippielb Epic Member 5+ Years ROTM Winner 1000 Posts

    Very easy to replace, just go under your truck, locate the o2 sensor, and the o2 sensor is basically a bolt, just unplug the o2 sensor harness, and then unbolt it from your exhaust pipe. What i suggest is to just shop around, get quotes from different places to get a good price, everywhere is different.
    1 person likes this.
  3. loic

    loic Rockstar

    ok, cool.
    the engine light came on a while back and I cleared it but the fault never came back on... is this normal ?
  4. silveradotrailblazer

    silveradotrailblazer Epic Member 5+ Years ROTM Winner 5000 Posts

    It may have to go thru several cycles before it comes back on, sometimes it will take several hundred miles before it comes on again.
    1 person likes this.

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