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No fast idle

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Adub, Jan 24, 2003.

  1. Adub

    Adub 1/2 ton status

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    I have noticed in the recent cold the truck, 89 Jimmy, is not idling fast on cold starts. It will idle right at 1000 rpms and it typically idles at 900 warm in park. What is responsible for fast idle on the TBI engine?
    Thanks
    AW
     
  2. heavy4x4

    heavy4x4 1/2 ton status

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    Aug 28, 2002
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    Delafield, Wisconsin

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