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Quadrajet question

Discussion in 'The Garage' started by georgiared84, Sep 23, 2002.

  1. georgiared84

    georgiared84 1/2 ton status

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    When I start my engine up my fast idle really has the engine racing. It does this for about 5 minutes before it lets it slow down. How do I adjust this down to say 1200 rpm like it should be?
    Thanks!

    305 700r4 84 k5 auto with 4bbl quadrajet with electronic choke.
     
  2. SkulzNBonz

    SkulzNBonz 1/2 ton status

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    I can't remember for sure, but I think the fast idle screw is on the passenger side of the carb. I found it when I was trying to adjust down my fast idle. Just get under there and turn the adjusting screws 'til the fast idle slows. Remember to turn the screws you turn back to their original position until you find the fast idle. Hope this helps.

    John
     
  3. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Passenger side facing front of truck down low on the side.
     
  4. georgiared84

    georgiared84 1/2 ton status

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    Thanks! Found it. Got it down. My tach was reading 2100 RPM on startup.
     
  5. MudbogAD

    MudbogAD 1/2 ton status

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