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Toyota Trucks: high idle at startup

  1. #1
    bobby
    Guest

    high idle at startup

    Quick question for you guys out there, my 93 pick-up (4cyl.) idles very
    high from a cold weather startup and it takes about two or three minutes
    to drop down to normal idle. it does have fuel injection so why would it
    do this compared to a carburetor.

    is there anything i need to replace since it's been a long time since my
    last tune-up?


  2. #2
    Max
    Guest

    Re: high idle at startup



    bobby F wrote: 

    what's high? guesing 1100-1300 rpms is normal. It does that because
    it's supposed to. The computer probably has a cold start injector that
    squirts more fuel and a sensor to turn off the cold start injector when
    the engine warms up. All this mimics what a choke does on a carb'd car.

     


  3. #3
    Wolfgang
    Guest

    Re: high idle at startup

    Normal unless above 2200 RPMs.

    "bobby F" <net> wrote in message
    newsublic.lawson.webtv.net... 



  4. #4
    mazdaman85
    Guest

    Re: high idle at startup

    My '90 4Runner 22RE idles at 2200-2400 usually when cold. yesterday
    morning after sitting overnight it went up to 2500 (10 degrees
    outside, -4 overnight).
    A bad cold-start injector?

    "Wolfgang" <net> wrote in message news:<1eYLb.70968$hf1.37460@lakeread06>... 


 

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