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Thread: Unspecified code on my 2000 Bmw 528i

  1. #1
    Join Date
    Nov 2017
    Location
    Rochester, New York
    Posts
    20
    My Cars
    2000 BMW 528i

    Unspecified code on my 2000 Bmw 528i

    It appears I have gotten another code in regards to my check engine light.

    Currently both rear 02 sensors need be replaced. I have them just haven't figured out how to get them out, considering previous owner stripped them.

    Just to check-up on my CEL, I did a scan on lunch break and received the following:

    P1184 - refer to vehicle service manual.

    As I do not have the service manual and google isn't doing the trick... does anyone here know?

    It looks like some overseas cars use this code in regards to 02 sensors. But ford and chevy use it in regards to oil temp/sensor.

  2. #2
    Join Date
    May 2013
    Location
    Chicago, Illinois
    Posts
    928
    My Cars
    2000 BMW 528iA
    2000 528i sport
    EMP Stewart water pump
    Dice iPod adapter
    Alpine amplifiers
    MB Quart speakers
    MTX BGE12 subwoofer
    AudioControl EQL equalizer

  3. #3
    Join Date
    Jul 2010
    Location
    Ontario, Canada
    Posts
    958
    My Cars
    2003 BMW 530i
    I found a slightly different description in the attached PDF that appears to be a BMW document.

    P1184 HO2S Sensor Voltage Excursion Electrical (Bank 1 Sensor 1)

    But they might in fact be pointing at the same fault - many of these DTC descriptions are somewhat ambiguous. You might try swapping O2 sensors (both physical location and electrical connection) and see if the DTC follows the sensor.

    And a heads up that DTCs in this range are unique to each OEM, i.e. a Ford/VW/Audi etc. P1184 can or will be entirely different for each brand. For that matter, could be different within a brand for different engines.
    Attached Files Attached Files
    Regards
    RDL

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