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Thread: check engine light .....

  1. #1
    Join Date
    Dec 2005
    Location
    VT
    Posts
    73

    Default check engine light .....

    came on. The manual says it's emission related.
    I tried to read the code following the pedal pressing method. All I got is the "check engine" light to blink, but no code displayed. I assume the code should display next to the light?

    Thanks for any suggestions .........
    Last edited by fsteyer; 07-26-2006 at 06:28 AM.

  2. #2
    Join Date
    Mar 2004
    Location
    So Cal
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    290

    Default

    The check engine light blinking is the code. After initial blinks, if it blinks once/twice/once/twice, this would be code 1212, just an example. Go to www.bmwe34.net and it explains it and will give you the code definitions.

    Greg Mendoza

  3. #3
    Join Date
    Dec 2005
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    VT
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    Default

    well call me stupid! ... I thought it actually shows the code in numbers .... like my Dodge RAM does. Anyway the code is 1221 which is the O2 sensor #1 ... do I have 2 of them ?

    also ... I read up some more and found that in all likelihood it's just a service reminder since O2 sensors rarely go bad. If so, how can I shut off the check engine light? If the sensor were really bad the performance would suffer to the point of being noticeable, right?

    One more ... will driving the car with a bad sensor damage it?

    thanks again....
    Last edited by fsteyer; 07-26-2006 at 01:33 PM.

  4. #4
    Join Date
    Dec 2003
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    Default

    its not a service reminder.

    reboot the computer and see if it repeats the error.
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  5. #5
    Join Date
    Mar 2006
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    USA
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    Default

    i think the M50 has only 1, $75 part
    Alusil, Dinan DME | ITG Air Filter | Eibach/Bilstein HD | 26/20 Swaybars | Iridium plugs | Depo/ProLumen HID | Optima batt. | no AC | Stoptech brake lines, Frozen rotors, brass bushings, Superblue

  6. #6
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    Default

    thanks ... how long can I drive without replacing it?

  7. #7
    Join Date
    Oct 2005
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    Horse Country
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    Default

    Quote Originally Posted by fsteyer
    thanks ... how long can I drive without replacing it?

    Why don't you want to replace it? Not that it's any of my business, but it's only $75 bucks. If you can't afford to replace that, then you'll certainly run into more finacial debockles in the future. Besides, you'll get shittier fuel consumption rates with a bad sensor. Just a thought---

  8. #8
    Join Date
    Jan 2006
    Location
    Connecticut, USA
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    676

    Default

    Replace it ASAP, it's a cheapen
    1990 Islandgrun 535iM Sedan

    3k oil changes | Euro lights + trim | Eibach/Bilstein | EAT Chip

  9. #9
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    Dec 2005
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    VT
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    because I have to go on a trip Saturday (about 600 miles) and won't get the part before that. So will I be OK for that ?
    thanks

  10. #10
    Join Date
    Dec 2003
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    Eastern Tennessee USi
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    the reboot will probably fix the error.
    Quote Originally Posted by fsteyer
    because I have to go on a trip Saturday (about 600 miles) and won't get the part before that. So will I be OK for that ?
    thanks
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

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