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Thread: 2005 CTS code P0011- rough idle, jerking, feels like it wants to die

  1. #1
    joeytatro is offline Cadillac Owners Member
    Automobile(s): 2005 Cadillac CTS
    Join Date
    Jul 2013

    2005 CTS code P0011- rough idle, jerking, feels like it wants to die

    Hi- New to this forum and would appreciate any help.

    My car at times will jerk when sitting at a light or in park. The oil was changed 2 days ago and the next day when driving it the check engine light came on, the car became
    even rougher and more jerky and felt like it was going to die. Got it home, the next day I went to just move it and when backing up it was so jerky and felt like it was going
    to die and had no power.

    A friend, who is a certified mechanic, brought his computer over and it gave error code P0011. He works full time at our local County at their shop and so does not do
    mechanic work full-time- he says this job would take him too long to do on the side and is referring us to another mechanic. What should we be looking for when we take
    this in? Any help so we don't get screwed would be great.


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  3. #2
    CTSUK's Avatar
    CTSUK is offline Cadillac Owners Enthusiast
    Automobile(s): 2005 Cadillac CTS 3.6 Sport Luxury
    Join Date
    May 2012
    United Kingdom

    Re: 2005 CTS code P0011- rough idle, jerking, feels like it wants to die

    Sounds like the timing valve could be stuck, or a timing issue.
    Would not drive it like this and have the timing checked out to see if its correct or not could do damage otherwise.
    P0011 relates to the intake cam position system performance:


    Possible causes
    - Dirty Oil (wont be this)
    - Low engine oil level (worth checking!)

    - Faulty Intake Camshaft Position Actuator Solenoid
    - Intake Camshaft Position Actuator Solenoid harness is open or shorted
    - Intake Camshaft Position Actuator Solenoid circuit poor electrical connection
    - Faulty Engine Control Module (ECM)
    Help with Possible causes Help with this
    - Engine Light ON (or Service Engine Soon Warning Light)
    P0011 Cadillac Description
    The Camshaft Position (CMP) actuator is attached to each camshaft and is hydraulically operated in order to change the angle of the camshaft relative to Crankshaft Position (CKP). The CMP actuator solenoid is controlled by the control module. The control module sends a pulse width modulated 12-volt signal to a CMP actuator solenoid. The solenoid controls the amount of engine oil flow to a CMP actuator. The CMP actuator can change the camshaft angle a maximum of 25 degrees. The control module increases the pulse width to accomplish the desired camshaft operation.

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