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  1. #1
    Saab Enthusiast AT ONE SIR's Avatar
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    10 Jul 2013
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    2001 9-5 Wagon 2.3T I4 (B235E)
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    Exclamation 2001 9-5 Wagon - Code P1181

    I've never pulled this code before and the car has been entirely error free for about a year now. Over 106k

    Wife says it was driving perfectly fine and the engine icon illuminated. I checked it quick and got a P1181. Is that the MAF sensor? Can't I just buy some special spray cleaner and carefully do that service or is it something more? O2 sensors? What am I looking for here?

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    2001 9-5 Wagon

  2. #2
    Saab Enthusiast AT ONE SIR's Avatar
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    10 Jul 2013
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    2001 9-5 Wagon 2.3T I4 (B235E)
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    This code popped up again. Always seems to trouble me in the years I need to smog it. Wondering if changing the o2 sensors would help it, or should I try to clean the MAF sensor, or both?

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    2001 9-5 Wagon

  3. #3
    Bruno
    Saab Nut swisssaabist's Avatar
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    Saab(s)
    9-5 ARC Wagon 2002 2 t auto engine B205E
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    start with cleaning the MAF

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  4. #4
    Saab Enthusiast
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    10 Apr 2017
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    Denham, England
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    197
    Saab(s)
    2011 2.0 9-5 Aero
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    The fault finding says "Check the crankcase ventilation for leaks before performing any other fault diagnosis, so I would forget all about the MAF.

    Also, please consider downloading WIS and EPC and running them on your computer (Windows is required) this will allow you to check fault codes easily and give the fault finding instructions. This link will provide the information you need http://saabworld.net/showthread.php?t=33310

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