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rough idle

Discussion in 'General Tech and Maintenance' started by jastunna1987, Nov 23, 2004.

  1. jastunna1987

    jastunna1987 Member

    Likes Received:
    Dec 6, 2003
    hey,..my 93 EX has a d167y in it (i bought it like that). well, its idle is really rough, i read and researched a lot, and found that it could of been my fast idle vavle or my IAC valve. well, i checked both of them, and they are both in good condition. for the fast idle valve, theres that lil ring on the inside of it that needs to be tightened,..i did that. this rough idle is causing my car too shake while it idles...i tightened the motor mounts, and it helped a lil bit. well...im pretty sure it is is a vacuum line that is loose or disconnected, can someone send me vacuum line diagrams for both 98 civic DX engine, and 93 EX chassis/engine. i dont have a helms or anything yet.

    thanks, joe
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