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Thread: rough idle

  1. #1
    Jr. Mechanic Okimaw's Avatar
    Join Date
    Jan 2010
    Location
    Winnipeg, Canada
    Posts
    87

    Default rough idle

    My truck has been idling rough at stops and in park. It misfires and kind of vibrates when stopped in gear or in park but not consistently. It can be fine for a couple of days and then starts doing that all of the sudden, usually after it warms up (it gets real cold here in winter). When accelerating or at cruising speed there's no problems with power or anything. I'm thinking it s a plug and time for a tune up but thats just my untrained guess. Any feedback is appreciated
    Last edited by Okimaw; 03-14-2010 at 09:18 AM.

    1997 GMC Sierra SLT
    Debadged/demolded, Billet Grille, JBA s/s shorty headers, Magnaflow true duals, Magnaflow cats, K & N FIPK, Stainless nerf bars, Drop Center bumper, RCX 4" lift, XD Hoss Black, 33" DC Mud Country, Bushwacker flares, Black Bear tuned

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