Rough idle??

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  • clydesdale
    Mod Crazy
    • Aug 2006
    • 631
    #1

    Rough idle??

    What are the usual causes? I already replaced my o2 sensor. Thanks
    Tags: None
    • kencopperwheat
      King of Kegstands
      • Oct 2003
      • 14396
      #2
      O2 sensor has nothing to do with the idle.

      Idle Control Valve and Vacuum leaks are the first place to start.
      Originally posted by Gruelius
      and i do not know what bugg brakes are.

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        • PeaveyBassist
          No R3VLimiter
          • Sep 2004
          • 3511
          #3
          Vacuum leaks. Check all hoses and intake manifold gaskets.
          RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
          Welcome e30 (brilliantrot '90 325is) 12/23/06
          DaveCN = Old Man
          My signature picture was taken by ME! Not by anyone else!



          Originally posted by george graves
          If people keep quoting me in their sig, I'm going to burn this motherfucker down.

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