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High Idle and blowing Carbon

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by AKBlazer, Jun 21, 2002.

  1. AKBlazer

    AKBlazer Newbie

    Joined:
    Jun 21, 2002
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    Location:
    Anchorage, Alaska
    My 85 Blazer is running a little wierd. When I first start it up, it idle's very high and is kicking out black smoke all over. This is rather nice when I'm parked next to another vehicle as they now have a big black carbon mark on their vehicle. After a few minutes of running it, it will drop down to normal. I have tried to dial down my idle, but then after it warms up, it's too low and stalls. Any ideas?
     
  2. MilpitasK5

    MilpitasK5 1/2 ton status

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    Location:
    Milpitas, Ca.
    I have the same problem and the responses I get lead to the carb so far. That's all I could say though. Good luck to both of us.
     
  3. 90K5

    90K5 1/2 ton status

    Joined:
    Jun 1, 2000
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    Location:
    Lubbock, TX
    Sounds like a carb problem, might need to pick up a rebuild kit for it...its pretty easy.
     

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