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  1. #1

    P1110 - Charge Air Bypass Valve

    Performance Problems

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    Fault symptoms

    • CHECK ENGINE.

    Type of diagnosis:

    - Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

    Enable criteria:

    - General conditions for this trouble code: Atmospheric pressure must exceed 72 kPa and the engine coolant and intake air temperatures must exceed -7 °C.

    - Main relay voltage exceeding 10V. Engine speed below 3500 rpm. The inlet pressure drops rapidly by more than 3 kPa whereupon the accelerator pedal is fully released. The charge air pressure exceeds 120 kPa. The solenoid valve for the by-pass valve has been deactivated.

    Fault criteria:

    - Charge air pressure pulsating at 14-18 Hz with amplitude exceeding 3 kPa. Criteria must be fulfilled on two separate occasions within 600 s during the same driving cycle.

    Dependents:

    - P0106, P0107, P0108, P1105, P1106, P1107, P1108, P1530, P1531, P1532, P1631, P1632 and P1633.

    System reaction to a fault:

    - The MAP sensor is used as a substitute value.

    OK report:

    - Enable criteria fulfilled and amplitude below 1 kPa. Criteria must be fulfilled on three consecutive occasions during the same driving cycle.

    Diagnostic help

    Fault diagnosis concerns a fault in connecting control hoses, in the solenoid valve or the bypass valve.

    Functions in the diagnostic tool related to the fault:

    • Diagnostic status for the diagnosis.
    • Activate output for bypass solenoid.

  2. #2
    Saab Fan
    Join Date
    08 May 2012
    Location
    Montgomery , Al
    Posts
    22
    Saab(s)
    2004 9 -5 Aero
    Did anyone ever resolve the issue at hand when the p1110 code was pulled? I recently purchased a 2004 9 5 aero and this code came up almost a week ago. I would like to get it fixed before I hit the road this weekend.

  3. #3
    Frank
    Administrator nordwulf's Avatar
    Join Date
    30 Jul 2010
    Location
    USA - Netherlands
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    7,901
    Saab(s)
    previous: 2006 9-3, 2001-06 9-5, 2011 9-4X
    There are quite a few threads about the P1110 code. You may get quicker assistance when you reply to an existing thread if you think that applies to your situation as well. Just put P1110 in the search box and you'll find the threads.

  4. #4
    Saab Fan
    Join Date
    08 May 2012
    Location
    Montgomery , Al
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    22
    Saab(s)
    2004 9 -5 Aero
    I found the problem. The hose is missing from that main tube beside the oil filler cap


  5. #5
    Saab Enthusiast photousa's Avatar
    Join Date
    27 Sep 2010
    Location
    Chicago, Illinois USA
    Posts
    222
    Saab(s)
    2003 Saab 9-5 Aero 2.3t Wagon HO Manual
    Do you have a photo of exactly the hose that was missing and where you installed the replacement? Why would that hose be missing? Did that solve your P1110 code issue?
    2003 Saab 9-5 Aero B235R
    Sport Wagon 2.3T HO Manual
    140,627 Miles

  6. #6
    Chad Wall
    Saab Fan writerchad's Avatar
    Join Date
    23 Jan 2013
    Location
    Decatur, Georgia, United States
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    12
    Saab(s)
    2000 Saab 9-5
    Got the P1110 code on the way to work this morning. Searching under the hood I found a disconnected hose. Question is where does it reattach?

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  7. #7
    Frank
    Administrator nordwulf's Avatar
    Join Date
    30 Jul 2010
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    Saab(s)
    previous: 2006 9-3, 2001-06 9-5, 2011 9-4X
    Where does it come from?

  8. #8
    Chad Wall
    Saab Fan writerchad's Avatar
    Join Date
    23 Jan 2013
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    Decatur, Georgia, United States
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    Saab(s)
    2000 Saab 9-5
    hopefully this picture will be more clear. the tube comes from a t-joint.

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  9. #9
    Chad Wall
    Saab Fan writerchad's Avatar
    Join Date
    23 Jan 2013
    Location
    Decatur, Georgia, United States
    Posts
    12
    Saab(s)
    2000 Saab 9-5
    Once I get back down to my building's parking garage I can check this diagram.

  10. #10
    Chad Wall
    Saab Fan writerchad's Avatar
    Join Date
    23 Jan 2013
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    Decatur, Georgia, United States
    Posts
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    Saab(s)
    2000 Saab 9-5
    still couldn't find a nipple.

 

 

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