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    #1

    Lambda control 2

    Got a check engine light that just comes on erratically sometimes on, and the car runs like crap, sounding like it has a wicked cam when idling, and sometimes it runs perfectly normal. My understanding of the Lambda control 2 is that it is usually either a vacuum leak, or an o2 sensor. When I took the car in to get the exhaust fabbed up the guy said it looks like the o2 sensor is going bad. Any help, or expert advice before I dive into this?

    Nio är livets tal.
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    #2
    hey,

    I can tell you that dont worry bout your O2 sensor, have been runnin mine without for 12 months and runs smooth as.

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      #3
      Originally posted by e30 335i View Post
      hey,

      I can tell you that dont worry bout your O2 sensor, have been runnin mine without for 12 months and runs smooth as.
      It's not recommended to drive your car around without the o2 sensor plugged in, it will run rich all the time and will eventually foul your catalytic converter.

      In saying that, try unplugging your o2 sensor, and go for a spin around the block, if it runs fine when at operating temp with the o2 disconnected it's more than likely the problem.

      But don't drive around for 12 months without it.
      ///Monstrosity. (OO≡≡[][]≡≡OO)

      Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.

      Comment

        #4
        Originally posted by Doughnut View Post
        It's not recommended to drive your car around without the o2 sensor plugged in, it will run rich all the time and will eventually foul your catalytic converter.

        In saying that, try unplugging your o2 sensor, and go for a spin around the block, if it runs fine when at operating temp with the o2 disconnected it's more than likely the problem.

        But don't drive around for 12 months without it.
        I'll give that a shot. Hope it's not a problem I have to spend a ton of time tracking down, would rather have it fixed in a hurry.

        Nio är livets tal.

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          #5
          Another thing to note is that if your O2 sensor is bad you don't necessarily have to buy the BMW part. A couple of guys over on mye28 used off the shelf Bosch sensors from Autozone and reported that it works fine. Some wiring required though.
          $500, Diamantschwarz, and a Dream

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            #6
            It's not recommended to drive your car around without the o2 sensor plugged in, it will run rich all the time and will eventually foul your catalytic converter.

            lol what cat converter, straight through it.:p

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              #7
              Originally posted by e30 335i View Post
              lol what cat converter, straight through it.:p
              Maybe you can do that over there, but here we can get a $2500 fine for removing an emission control device :(

              Nio är livets tal.

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                #8
                Figured it out, vacuum hose had popped off.

                Nio är livets tal.

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