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Thread: 4K idle problem

  1. #1
    keboom Grease Monkey
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    Jan 2006
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    Exclamation 4K idle problem

    Ok, so I pulled up at the lights yesterday and the 4K in my KE70 stalled. So I started it again without too much thought. Then it happened a bit later on at another set of lights. Now it won't idle at all and stalls whenever the revs drop below 1500.

    I thought air and fuel so i replaced the fuel filter and ran without air filter but same problem. It runs fine above 1500rpm, revs out to limit perfectly. But, as soon as the revs drop it just dies.

    I have no idea what could be causing it, it came on so suddenly. Any ideas?

    Any help would be greatly appreciated.

    Cheers,

    Alex

  2. #2
    she loves me coz im a Conversion King love ke70's Avatar
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    Default Re: 4K idle problem

    havnt had a lead come off? or a plug go keboom?
    maybe a peice of shit is blocking your idle jet.
    is it rough at all? feel more sluggish?
    dizzy cap still looking right?

    is probably an idle jet issue im guessing...
    MY RIDE, 2 Door LHD KE70 sedan with 1G HKS stroker: http://www.toymods.org.au/forums/showthread.php?t=51760

    Punctuation is the difference between 'I helped my Uncle Jack off his horse' and 'I helped my uncle jack off his horse.'

  3. #3
    keboom Grease Monkey
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    Default Re: 4K idle problem

    Yeah, my next thought was carby. As I said it runs fine above 1500rpm (as well as a 4K can, anyway). Leads are fine, dizzy is fine, could be a plug. Haven't checked them yet. Was gonna let it cool down a little first.
    Might have a look at the idle jet. Cheers

  4. #4
    Junior Member Grease Monkey
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    Dec 2005
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    Default Re: 4K idle problem

    Sounds like it will be the idle circuit. Check the anti diesel solenoid 1st then I'd be giving the carby a clean.

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