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Thread: 1ggze running rich, no idle controll

  1. #1
    Junior Member Backyard Mechanic 1jzracing's Avatar
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    Default 1ggze running rich, no idle controll

    we just got a 1ggze conversion running in an old 22R corona but its running very rich and theres no idle controll,

    it was running so high it was hitting over run fuel cut and surging up and down so we manually turned the stepper closed so it would idle bit it doesnt have any controll its just static, wont idle when its cold etc.

    also its running really rich!

    anyone had experience with the wiring ???

    or is it more likely a faulty component??

    thanks
    a fool remains undescovered untill he speaks!

  2. #2
    Insert whitty comment her Automotive Encyclopaedia blacktop's Avatar
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    Default Re: 1ggze running rich, no idle controll

    Might be a faulty sensor?

  3. #3
    Official Off Topic KING! Conversion King stradlater's Avatar
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    Default Re: 1ggze running rich, no idle controll

    I'm no standard management expert, but I'd tend to agree, a faulty sensor of sorts?
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    Junior Member Backyard Mechanic 1jzracing's Avatar
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    Default Re: 1ggze running rich, no idle controll

    yea we tried a few temp sensor changes but no change, might make it rich but shouldnt affect the idle controll
    a fool remains undescovered untill he speaks!

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    Default Re: 1ggze running rich, no idle controll

    have you checked that the stepper motor has power as it runs on a different circuit.
    (happened to me on the first 1g i did years ago.)

  6. #6
    Junior Member Backyard Mechanic 1jzracing's Avatar
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    Default Re: 1ggze running rich, no idle controll

    Quote Originally Posted by The Real Roadrunner
    have you checked that the stepper motor has power as it runs on a different circuit.
    (happened to me on the first 1g i did years ago.)

    thanks we havnt looked at that!

    maybe all it is

    still shouldnt be so rich, could be a totaly seperate problem
    a fool remains undescovered untill he speaks!

  7. #7
    Junior Member Domestic Engineer crowncustom's Avatar
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    Default Re: 1ggze running rich, no idle controll

    Check to see if the cold start injector isn't constantly working.
    AFM could be playing up?
    Is it running standard injectors?
    Is it throwing any error codes?
    Cheers Brett.

  8. #8
    Junior Member Backyard Mechanic 1jzracing's Avatar
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    Default Re: 1ggze running rich, no idle controll

    thanks will check that out

    how do you tell if it has error codes?
    a fool remains undescovered untill he speaks!

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    Junior Member Backyard Mechanic 1jzracing's Avatar
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    Default Re: 1ggze running rich, no idle controll

    fixed

    actually 2 seperate problems

    it was the power supply to the stepper

    and it had a cracked injector seal, vacuume leak playing havoc with the oxy sensor

    funny how the hardest problems are sometimes the simplest things

    runs a dream now
    a fool remains undescovered untill he speaks!

  10. #10
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    Default Re: 1ggze running rich, no idle controll

    had that one sussed

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