Question about 1986 Chevrolet S-10 Blazer

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My 1988 s10 blazer 4x4 2.8 idles fast at all times.

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  • buzznut1 Mar 13, 2009

    I have the same problem with a fast idling 1988 chevy s10 blazer with the 2,8L v-6. I have removed the air filter housing and cleaned and inspected the carburetor, but I was unable to find an adjustment screw for idle or air fuel mixture.
    I am also having trouble finding any info on the internet (for free) on this engine, or the carburetor. Don't mind doing research, or taking time on this, but what I need is a pointer in the right direction to find this information.

    Anything I can do bvesides shelling out 30 bucks on a manual for a 21 y.o. vehicle?


  • carhob May 11, 2010

    did you check gasket between tbi and intake,defect gasket will cause high idle,gasket is 3-5 bucks

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Is it carb or EFI? Carb shouldhave adjustment screw

Posted on Mar 09, 2009

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SOURCE: s-10 blazer 4x4 idles fast

idle control valve

Posted on Mar 06, 2009

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