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nukills

1994 Gs300 Has Rough Idle

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hello fellow gs3 owners. i recently replaced my heasd gasket on my 94 gs300. once i put everything back together and cranked her up, i get a real rough idle. im thinking maybe a vaccum leak or connector. is there a line beneath the intake? i would like to know before i go tearing it down again. thanks.

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As far as I can recall, there's only a waterline beneath the intake. When it's not a connector (for example idle control valve), I suggest you check the vacuumline on top of your throttlebody, as it gets brittle after a while and may bend/crack at the service process.

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