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  1. #1
    st-pete-z3
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    Yes | No

    I Fear the (St)ealer

    Sunday the car idle was wacky. Figured I just washed it and maybe some water got in somewhere and it would dry out and I could deal with it Monday after work if it continued. Car ran like turd to and from work- (stalled, check engine light came on, idle rough). Code reader stated O2 sensor limit reached. Figured Id take it to my local guy and hed change the O2 sensors today and problem solved. Nope. He calls me at noon and says code is pointing more towards a vacuum leak that is tripping O2 sensor but he cannot find one. He through an O2 sensor on no fix. He says I have to take it to the dealer. OUCH-!!! At least my guy didnt charge me for all the time he spent trying to figure it out.

    Anyone have any ideas-?

  2. #2
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    Member No: 21056 mbmz3 is an unknown quantity at this point mbmz3's Avatar
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    I feel your pain...

    My 335 is at the stealer with a failed CCC, and almost dead battery from the CCC trying to reboot itself all the time even with the car off sitting in the garage.


  3. #3
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    Member No: 149143 lpcapital is an unknown quantity at this point lpcapital's Avatar
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    3 areas

    Assuming it's a 6 cylinder, 3 are the areas to check in sequence

    1) the rubber intake booth: right where it branches to go to the ICV
    2) the DISA
    2) the PCV plumbing

    PS: if you're mechanic really changed the O2 sensor because of that code, I would suggest you change mechanic since he's not a good one. I understand if one of use changes O2 sensors because the error code mention it, but someone who claims to be a profession to do such a mistake is amateur...
    ---------------------------------



    2003 Z4 2.5i
    2002 Ducati Monster S4


  4. #4
    st-pete-z3
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    Re: 3 areas

    My mechanic only swapped the O2 because he was at a loss and had me calling hourly saying why not O2? I figured 80K miles, 13 years old - why not. His guy spent a good amount of time and he said I didn't fix so no charge. My dealer had no time today so I looked again.

    Oil cap was on loose. Seem to have fixed it.

    Wahoo. The vacuum leak. My mechanic was on the right path.

  5. #5
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    Yes | No

    That's even better!!!!


    ---------------------------------



    2003 Z4 2.5i
    2002 Ducati Monster S4


  6. #6
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    Member No: 95616 scottpettit is an unknown quantity at this point scottpettit's Avatar
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    Happy to read that you have fixed the...

    problem. While you are "in the mood", you may want to plan to change the O2 sensors as they are getting to the end of their life expectancy.

    Coincidentally, this same discussion is going on-on the Z8 forum and on of the M5 forums.

    Scott Pettit

  7. #7
    markwb9
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    so do the Jets

    Sorry wronge Steelers.

  8. #8
    TexZan (...on the road again...)
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    That's pretty funny :-)


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