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Thread: Touran fsi NOx sensor

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  1. Touran fsi NOx sensor 
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    Hi ive got a touran in with codes 17443 p1035 and 17441 p1033 engine BAG relating to NOx sensor problem. there appears to be three sensors two lamda sensors and a pencil shaped sensor in the cat i guessed this one was the NOx sensor, but when i ordered it what came looked like a lamda sensor with a control unit £300 quids worth, can anyone tell me if this the NOx sensor
     
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  2. Re: Touran fsi NOx sensor 
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    What is the part number of the part you have received, 03C 907 807 D?
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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  3. Re: Touran fsi NOx sensor 
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    Hi crasher
    yes thats the number they sent me
     
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  4. Re: Touran fsi NOx sensor 
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    That is the post cat NOX sensor.
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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  5. Re: Touran fsi NOx sensor 
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    What does the post cat NOx sensor do?
    I have the same code come up on my Golf 2.0 FSI BLX.
     
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  6. Re: Touran fsi NOx sensor 
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    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
    !


     
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  7. Re: Touran fsi NOx sensor 
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    There is a known issue with these sensors. I can't remember the details off hand, but sensors built before a certain date were to be replaced. Later ones were OK but the software in the engine control unit was to be updated. The build date is on the control box. It's a number something like 30/04. I'll check my notes when I go back to work and post the details.

    Jim.
     
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  8. Re: Touran fsi NOx sensor 
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    Thanks,the car seems to run OK,I just got VCDS Lead and I plug it in to my golf to activated it and one fault code came up .Nox sensor
     
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  9. Re: Touran fsi NOx sensor 
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    I read in another forum that when changing the NOX sensor (Touran 1.6 FSI 2004 ) a software update is needed. What happen if one only mounts the new sensor without updating the software ?
     
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  10. Re: Touran fsi NOx sensor 
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    Is your error permanent?

    Do you really need to replace the sensor?

    I've had this error twice now on my 2004 Touran 1.6 FSI Both times I just reset the error.

    It's just passed it's MOT, emissions are fine.

    So if it only flags this error once in a blue moon, I will live with it rather than spend hundreds messing about with new sensors.
     
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