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  1. #1

    Default 01 Silverado, rough idle

    01 Silverado runs smooth when cold, idles rough at operating temp ?
    Anyone have any suggestions ?
    Truck has the 4.8 L, no mods made to the truck.
    Last edited by rbeneventi; 04-13-2010 at 07:34 PM.

  2. #2

    Default

    Quote Originally Posted by rbeneventi View Post
    01 Silverado runs smooth when cold, idles rough at operating temp ?
    Anyone have any suggestions ?
    To the Site,......For any of the Member's wanting to give you some advice on what might be wrong with Silverado.The more Infor you can give us,like Engine Size,Any Performance Mods you have put on etc....,will help us In helping you find Out why your 01' is Not running correctly .......

    MIKE


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










  3. #3

    Default

    howdy

    when you start up cold your computer is running on default settings.

    you need to have the fuel trim and mis-fire data checked, more than likely you just need a good carbon clean
    GM TECH

    05 silverado shortbed

  4. #4
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    Default

    Quote Originally Posted by Loggerhead Mike View Post
    howdy

    when you start up cold your computer is running on default settings.

    you need to have the fuel trim and mis-fire data checked, more than likely you just need a good carbon clean
    X2, you might need to clean out the IAC etc....
    Mike

    Currently

    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

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    "Hold it to the floor till you see God.... Then Brake!!!!"

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