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Thread: VCDS Code 4891 - EGR Valve

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  1. VCDS Code 4891 - EGR Valve 
    #1
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    Just got the below code. Anyone any ideas?

    1 Fault Found:4891 - EGR Valve (N18)
    P0403 00 [040] - Malfunction
    Intermittent - Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 2
    Fault Frequency: 67
    Mileage: 217885 km
    Date: 2020.11.27
    Time: 12:37:24
    Engine speed: 1608.50 /min
    Normed load value: 23.5 %
    Vehicle speed: 88 km/h
    Coolant temperature: 85 °C
    Intake air temperature: 11 °C
    Ambient air pressure: 1010 mbar
    Voltage terminal 30: 14.720 V
    Unlearning counter according OBD: 40
    Air mass: actual value (mg/stroke): 656.3 mg/stroke
    EGR Vacuum Regulator Solen.val.: activation: 15.00 %
    EGR Solen.val.: actual value: 96.61 %
    EGR valve: offset closed: 0.23 %
    Actuator for high pressure EGR: status-Bits 0-7: 0
    Actuator for high pressure EGR: status-Bits 0-7: 0
    for high pressure EGR: status-Bits 0-7: 55
    Actuator for high pressure EGR: status-Bits 0-7: 3
    High press EGR actuator: actual unconditioned volt val: 1094.8 mV
     
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  2. Re: VCDS Code 4891 - EGR Valve 
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    What is the vehicle and engine?
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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  3. Re: VCDS Code 4891 - EGR Valve 
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    2011 VW Sharan 2.0TDI CFFB 140bhp
     
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  4. Re: VCDS Code 4891 - EGR Valve 
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    Normally failure of the EGR cooler unit on the back of the engine.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
    !


     
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  5. Re: VCDS Code 4891 - EGR Valve 
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    Thanks Crasher.

    Is this a mechanical failure what is the recommended test or fix?
     
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  6. Re: VCDS Code 4891 - EGR Valve 
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    It gets clogged up which makes the motor fail so has to be replaced. DO NOT be tempted to fit anything other than a genuine part from VW, pattern ones are a disaster.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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