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Thread: Idle too low on my 2000 Honda Civic

  1. #1
    luketrif
    Guest luketrif's Avatar

    Default Idle too low on my 2000 Honda Civic

    Hello all,

    I just bought a 2000 honda civic ex with 54k miles on it. The problem
    is that the car once is warmed up, idles too low, almost at the 0rpm
    line but probably around 200-300rpm, however the needle looks like its
    all the way on zero. Once I accelerate, the engine shakes a bit and
    then comes back to normal, but same thing happens again when I stop at
    a stop light etc. Everything is stock. Any help would be appreciated

    Thanks

    Luke

  2. #2
    Elle
    Guest Elle's Avatar

    Default Idle too low on my 2000 Honda Civic

    Start by waiting overnight (until the engine is stone cold), then remove the
    radiator cap and top off the radiator. Fill the reservoir to at least the
    minimum line. Run the car until it's at Normal Operating Temperature, then
    add coolant ot the reservoir until it's at the max. line. Lastly, purge the
    cooling system of air.

    Certain engine control components, including idle control, have coolant
    passing through them. If there's an air pocket, they aren't being properly
    cooled, and mis-idle problems like yours can occur.

    Very common.

    <luketrif@..........> wrote
    > Hello all,
    >
    > I just bought a 2000 honda civic ex with 54k miles on it. The problem
    > is that the car once is warmed up, idles too low, almost at the 0rpm
    > line but probably around 200-300rpm, however the needle looks like its
    > all the way on zero. Once I accelerate, the engine shakes a bit and
    > then comes back to normal, but same thing happens again when I stop at
    > a stop light etc. Everything is stock. Any help would be appreciated
    >
    > Thanks
    >
    > Luke
    >

  3. #3
    RM
    Guest RM's Avatar

    Default Idle too low on my 2000 Honda Civic

    Where is that IAC located? What does it look like?

    >
    > >

    > Check cleanliness of throttle body. Check cleanliness of IAC (Idle Air
    > Control valve).
    >
    > If IAC is sludged up, it will be unable to adjust the idle properly.
    >
    >
    >

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