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Throttle body spacer and engine hesitates at idle?????

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

  1. blazen_md

    blazen_md 1/2 ton status

    Joined:
    Aug 20, 2001
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    Location:
    MD
    I recently installed an airaid throttle body spacer and I have everything adjusted right, but at idle speed the engine hesitates up and down rpm range? I heard that u have to adjust the air to fuel adjustment on the front of the throttle body has anyone heard of this before??
     

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