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  1. #1
    Jr. Mechanic blackburb's Avatar
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    Default Which O2 sensor?

    On the 8.1L, bank 2 sensor 1. Upstream correct? Which side?


    '01 K2500 496 big block It's here! It's here! It's finally here!

  2. #2

    Default

    Quote Originally Posted by blackburb View Post
    On the 8.1L, bank 2 sensor 1. Upstream correct? Which side?
    Bank 2....is the Passenger-Side, Sensor 1 is Upstream, Pre-Cat.

    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










  3. #3
    Jr. Mechanic blackburb's Avatar
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    Default

    Thanks! 10char


    '01 K2500 496 big block It's here! It's here! It's finally here!

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