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must rev when starting the car then idles 1500

Discussion in 'HYBRID -> EG-EK / DC' started by terribl3jon, Mar 20, 2005.

  1. terribl3jon

    terribl3jon Junior Member

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    i put a jdm single in a 92 hatch.. when you start it up you have to rev it a few times so that it doesnt die then it idles at 1500rpms. there is a loud hissing coming from the intake.. does anyone have any thoughts on this? thanks
     
  2. TWISTEDIMAGE

    TWISTEDIMAGE Senior Member

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    uh vacume leak
     
  3. TWISTEDIMAGE

    TWISTEDIMAGE Senior Member

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  4. DelSlo

    DelSlo Senior Member

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    ughhhh vacuum leak!!??!?!
     
  5. nfn15037

    nfn15037 Senior Member

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    Probably the FITV on the bottom of the throttle body. Try pulling the intake off and putting your finger over the hole in the throttle body, it will probably idle down like normal. Inside the FITV there is a piston thing that just needs to be threaded back down into its bore, or you can just make a blockoff plate for it and throw it away.
     
  6. terribl3jon

    terribl3jon Junior Member

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    actually the fit valve was my first guess and though it still continues to suck in air after the car has warmed.. the idle doesnt change when i cover it with my finger
     
  7. CrazyAzn

    CrazyAzn Senior Member

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    check the pcv valve, that freaken 3 dollar piece of plastic cost me 3 weeks of head aches. so yeah u might wanna check that out or just replace it for kicks, because after all it is only 3 bucks.
     
  8. b204dr

    b204dr Senior Member

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    myne only did that when it was extremly cold - i would think fitv as well
     
  9. b16eg6experiment

    b16eg6experiment Junior Member

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    you've tried the starter fluid trick to locace the leak, right.
     
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