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oxygen sensor?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by CrazeeBush, Jun 15, 2000.

  1. CrazeeBush

    CrazeeBush 1/2 ton status

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    I was told that every vehicle after '81 has an O2 sensor, and well I looked where the mnual says, and I'll be damned, but there isn't anything there. My truck is an '83. Any insight to where this thing could be?

    -JoSH
    crazeebush@aol.com
    http://josh.coloradok5.com
     
  2. Mudzer

    Mudzer 1/2 ton status Author

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    It would be any vehicle that is computer controlled fuel injection (TBI). I think the first year for this is 87. You can easily check to see if you have an O2 sensor by looking at the manifold for a spark plug looking item with a wire running out.

    [​IMG]
    Mudzer 1978/91 K5
     
  3. CrazeeBush

    CrazeeBush 1/2 ton status

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    The manual mentions something about carb controlled vehicles as well. I wasn't sure if mine would be included or not? I have no idea. Auto ZOne showed one for my truck. Anyway, I looked, but it is pouring down rain and I didn't stay long to look.

    -JoSH
    crazeebush@aol.com
    http://josh.coloradok5.com
     
  4. CrazeeBush

    CrazeeBush 1/2 ton status

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  5. BigBadBowTie

    BigBadBowTie 1/2 ton status

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    Yes they do have O2 Sensors on Carb trucks. My 86 had one, If I remember correctly it was closer to the Cat on mine. I now have JBA headers & will be installing a O2 sensor on them with my new 383.

    Rick
    86 K-5
    http://www.BigBadBowTie.ColoradoK5.com
     

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