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Thread: 2.0 FSI P1403 Regulation Deviation

  1. #1
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    2.0 FSI P1403 Regulation Deviation

    Hi all,

    For a while now I've been getting the occasional check engine light relating to the EGR system. Up until now I've just been clearing them to see what happens - normally the reappear after a few months so not a big issue. They normally come on while driving, however last week one came on immediately after start. Since cleared and has not come back, but the freeze frame data was a bit strange.

    P1403 - 008 - Regulation Deviation - Intermittent - MIL ON

    Freeze Frame:
    Fault Status: 10101000
    Fault Priority: 0
    Fault Frequency: 71
    Reset counter: 255
    Mileage: 0 km
    Time Indication: 0

    Freeze Frame:
    RPM: 10200 /min
    Load: 100.0 %
    Speed: 255.0 km/h
    Temperature: 215.0°C

    Has anyone had this code for this engine, if so is the only way to fix it replacing the EGR valve?

    Cheers,
    Michael

  2. #2
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    According to the Ross Tech info, looks like you are up for either the N18 valve or possibly a new complete EGR valve.

    The N18 is quite a common failure and causes EGR errors, so you might be lucky with just having to replace this.

    17811/P1403/005123 - Ross-Tech Wiki
    Last edited by Lucas_R; 23-03-2020 at 12:04 PM.
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  3. #3
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    Have you taken the top off the EGR and looked at the plastic gear in it ?
    Mine was quite worn in one quadrant. I took it out turned 90degrees and put it back in.
    MK4 GTI - Sold
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  4. #4
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    Checked the gear today, seems fine. Will have to look into it more.

  5. #5
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    Freeze Frame:
    RPM: 10200 /min
    Load: 100.0 %
    Speed: 255.0 km/h
    Temperature: 215.0°C
    Thats pretty impressive

  6. #6
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    Quote Originally Posted by saabman View Post
    Thats pretty impressive
    Racecar
    2017 Ford Fiesta ST
    2015 Audi SQ5 bi-turbo V6 TDI family hauler

  7. #7
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    I got this again today, had it a few months back and reset, it came back today but shows the same mileage, it is currently at 175598km.
    Looking to replace it, or can I fix it somehow ?

    005120 - EGR Valve (N1
    P1400 - 002 - Electrical Malfunction - Intermittent - MIL ON
    Freeze Frame:
    Fault Status: 10100010
    Fault Priority: 0
    Fault Frequency: 20
    Reset counter: 255
    Mileage: 169609 km
    Time Indication: 0
    Date: 2000.00.00
    Time: 08:19:05

    Freeze Frame:
    RPM: 1680 /min
    Load: 19.6 %
    Speed: 40.0 km/h
    Temperature: 45.0°C


    Readiness: 0000 0000
    MK4 GTI - Sold
    MK5 Jetta Turbo - Sold
    MK5 Jetta 2.Slow - Until it dies.

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