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low idle.

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by fr8train, Sep 10, 2001.

  1. fr8train

    fr8train 1/2 ton status

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    My 88 was sitting around for awhile and now I have a pretty slow idle from what I remember. Its a TBI. Any suggestions?

    <a target="_blank" href=http://community.webshots.com/user/thatguydrew23>http://community.webshots.com/user/thatguydrew23</a>
     
  2. fr8train

    fr8train 1/2 ton status

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    anyone?

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  3. Neil

    Neil 1/2 ton status

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    check the egr valve. also unhook the battery for about 10 min. and let the computer reset. then reconnect the battery, crank it up and see how it does. That is real basic and might want to check fuel pressure too at the schrader valve. How long did it set up uncranked? Is the oil in good shape?

    Neil H. Alabama.. "It's a full size thang, Jeep owners don't understand!!" '78 K5 400ci 4x4 AT,AC,PW Cheyenne., '74 C10 4x2
     
  4. Pugsley

    Pugsley 1/2 ton status

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    Also try running a can of your preferred brand of fuel system cleaner through it - you might have had some crud settle in the injectors.

    Clean up on aisle 3!!
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  5. CaptCrunch

    CaptCrunch 1/2 ton status

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    How low is low... most TBI trucks idle about 600 or 700 rpm

    -Mikey
    1987 Chevy K5 Blazer- 350 TBI
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