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  1. #1
    SAAB Entusiast
    Join Date
    11 Oct 2017
    Location
    New Hampshire
    Posts
    11
    Saab(s)
    2008 9-5 2.3T
    Thumbs Up:   1

    Exclamation 2008 9-5 2.3T Oxygen Sensor issue

    The check engine light is on and it has been diagnosed as the upstream O2 sensor. I have the Bosch OE replacement and O2 removal tool, and I have replaced these sensors before on my other non-SAAB vehicle which were easy.
    However, the problem is not removal of the O2 sensor itself, but the disconnecting of the connector base behind the top of the motor. It is virtually impossible to see and is held in by an apparent pink push clip. I cannot locate any video or instructions online, nor can I download the WIS manual.
    As I do not want to destroy a vital part of the motor electronics in the process of the O2 sensor replacement, if anyone could help me in this process with the unplugging of the connector that would be a great help in getting this problem resolved.
    My sincerest thanks in advance for the help.

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  2. #2
    Saab Enthusiast AT ONE SIR's Avatar
    Join Date
    10 Jul 2013
    Location
    Delaware USA
    Posts
    162
    Saab(s)
    2001 9-5 Wagon 2.3T I4 (B235E)
    Thumbs Up:   2
    If I recall the O2 sensor on my 2001 9-5 2.3T is right around the CPS plug. you can get at it from above or below. I chose below because it was 'easier'.

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    2001 9-5 Wagon

  3. #3
    SAAB Entusiast
    Join Date
    11 Oct 2017
    Location
    New Hampshire
    Posts
    11
    Saab(s)
    2008 9-5 2.3T
    Thumbs Up:   1
    Thank you for the help. I did find the top slightly better but there is another problem I will explain in another thread.

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