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Thread: p0405 fault code

  1. #1
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    p0405 fault code

    so I have this fault code p0405
    Attached Thumbnails Attached Thumbnails fault code.jpg  

  2. #2
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    First of all It would be nice if you had written a bit about yourself as an introduction instead of just that little sentence which is not the correct way to get help. This is a forum where the members take the effort to try to help each other through their personal experience rather than a workshop where you can attempt to treat the staff in this manner.

    Rant over

    Possible causes
    – Faulty EGR volume control solenoid valve
    – EGR volume control solenoid valve harness is open or shorted
    – EGR volume control solenoid valve circuit poor electrical connection
    – EGR temperature sensor and circuit


    Grumpy Old Git
    “When a government is dependent upon bankers for money, they and not the leaders of the government control the situation, since the hand that gives is above the hand that takes. Money has no motherland; financiers are without patriotism and without decency; their sole object is gain.”
    Napoléon Bonaparte

    2003 (botox) S type 3.0 sport with manual gearbox, as rare as rocking horse apples

  3. #3
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    so I have a 2008 2.0d estate no loss of power but have EML on that comes up as P0405 (Exhaust Gas Recirculation Sensor A Circuit Low Input)
    would anybody know which is the A circuit? and what voltage it should be, My car has a 3 wire plug into the EGR valve?

  4. #4
    Senior Member Winco's Avatar
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    As above most likely an EGR fault. Cleaning can sometimes help, but in my experience, once they fault code, you might as well replace the EGR.
    2007/57 X-Type 2.2D Estate Sovereign that is an SE with extras.
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    LED headlights, LED fogs as drl. Decat, Steinbauer, 21mm wheel nuts, Android Double DIN incl DAB & reverse cam.

  5. #5
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    also would anyone know if there should be a circuit between the 3 pins

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