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Thread: Tiguan 2.0 tdi 2009 p0403 4891 obd codes

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  1. Tiguan 2.0 tdi 2009 p0403 4891 obd codes 
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    About my Tiguan 2.0 tdi 2013 (sorry for the wrong title)

    I have replace the EGR valve about 12.000 km 1.5 year ago with a new part.

    Now i have the "Check Engine" warning and the OBD codes P0403 4891. Any ideas ?
    Screenshot 2023-02-19 221536.jpg
     
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  2. Re: Tiguan 2.0 tdi 2009 p0403 4891 obd codes 
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    Which make of valve did you fit? From the fault codes I would say it is faulty.

    16787 (P0403) - Exhaust Gas Recirculation (EGR) Valve (N18): Malfunction
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  3. Re: Tiguan 2.0 tdi 2009 p0403 4891 obd codes 
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    As I remember this is the type of the valve s-l1600.jpg
     
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  4. Re: Tiguan 2.0 tdi 2009 p0403 4891 obd codes 
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    What is the VIN?
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  5. Re: Tiguan 2.0 tdi 2009 p0403 4891 obd codes 
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    Finally I reset for 2nd time the "engine check" light with my OBD code, I put a EGR cleaner to the diesel tank

    and till now after 2 days there is not a new "engine check" light.

    The DPF filter is at 67% till next regeneraition and now I m waiting if this helps more.
     
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