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03 August 2015 #1Saab Enthusiast
- Join Date
- 10 Jul 2013
- Location
- Delaware USA
- Posts
- 162
- Saab(s)
- 2001 9-5 Wagon 2.3T I4 (B235E)
Thumbs Up: 2 
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?
2001 9-5 Wagon
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04 January 2018 #2Saab Enthusiast
- Join Date
- 10 Jul 2013
- Location
- Delaware USA
- Posts
- 162
- Saab(s)
- 2001 9-5 Wagon 2.3T I4 (B235E)
Thumbs Up: 2 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
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04 January 2018 #3
Bruno Saab Addict
- Join Date
- 18 Nov 2016
- Location
- Cheeseland or TICTAC land
- Posts
- 603
- Saab(s)
- 9-5 ARC Wagon 2002 2 t auto engine B205E
Thumbs Up: 56 start with cleaning the MAF
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06 January 2018 #4Saab Addict
- Join Date
- 10 Apr 2017
- Location
- Denham, England
- Posts
- 528
- Saab(s)
- 2011 2.0 9-5 Aero
Thumbs Up: 70 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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