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Thread: 2003 Audi 1.9 TDI AVF Engine Question

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  1. Re: 2003 Audi 1.9 TDI AVF Engine Question 
    #21
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    Quote Originally Posted by Gazwould View Post
    They are focusing on NO2 Nitrogen dioxide not NOX .
    NOX is Nitrogen Dioxide, NOX stands for the various mono-nitrogen oxides NO and NO2, nitric oxide and Nitrogen Dioxide
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
    !


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  2. Re: 2003 Audi 1.9 TDI AVF Engine Question 
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    Just to put the pollution issue into perspective, GOOGLE Shipping Pollution,Theguardian.com|By John Vidal
    Pretty frightening stuff.
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  3. Re: 2003 Audi 1.9 TDI AVF Engine Question 
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    I can't get to that post old man but I can guess what it says.....
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
    !


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  4. Re: 2003 Audi 1.9 TDI AVF Engine Question 
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    Maybe even worse than you think...was given to me by a friend, who is a ships engineer...but to be sure, you will have to read it, young fella...
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  5. Re: 2003 Audi 1.9 TDI AVF Engine Question 
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    Found it. As I have read before, a major part of the issue is the dreadful fuel they use, it makes UK pump diesel seem like drinking water!
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
    !


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  6. Re: 2003 Audi 1.9 TDI AVF Engine Question 
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    That's for sure Crasher, ,,,Oil so thick its almost a solid, they have to heat it up before using it. And the health risks it carries, unbelievable. Very understandable my engineer friend is worried about his own health, having worked with this stuff for years.
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  7. Re: 2003 Audi 1.9 TDI AVF Engine Question 
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    Hi JMR1,
    I started to get a judder when pulling away and thought it might be the clutch starting to let go.
    It disappeared completely after I overhauled the air intake system.
    New air filter and cleaned the intake ducts, removed and cleaned the MAF sensor with Wynn's air intake and carb cleaner, removed and cleaned the anti-shudder valve, de-coked the EGR valve and inlet manifold and port flaps (amazing how much crud came out of them!) and replaced all the gaskets.
    It took about 4hrs to strip, clean and re-assemble everything.
    Mines an A4 2.0 tdi but the principle must be the same, increased clean air flow creates a bigger bang, producing more torque, decreasing the shudder apparent when overcoming inertia.

    A4 Avant 2.0 tdi B7 S-Line
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  8. Re: 2003 Audi 1.9 TDI AVF Engine Question 
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    Quote Originally Posted by T!M View Post
    Hi JMR1,
    I started to get a judder when pulling away and thought it might be the clutch starting to let go.
    It disappeared completely after I overhauled the air intake system.
    New air filter and cleaned the intake ducts, removed and cleaned the MAF sensor with Wynn's air intake and carb cleaner, removed and cleaned the anti-shudder valve, de-coked the EGR valve and inlet manifold and port flaps (amazing how much crud came out of them!) and replaced all the gaskets.
    It took about 4hrs to strip, clean and re-assemble everything.
    Mines an A4 2.0 tdi but the principle must be the same, increased clean air flow creates a bigger bang, producing more torque, decreasing the shudder apparent when overcoming inertia.
    Sorry for the delayed reply T!M:
    I was on the road a lot recently Thanks for the helpful advice. ..will follow through on it. Air filter is new, but I am pretty sure that the MAF sensor and EGR valve would need cleaning and decoking. The anti - shudder valve I don't know about. ..where is it located? For the inlet manifold, I presume you removed it from the engine?
    For a different problem I encounted, ( turbo problem, loss of power under load,and limp home mode )
    One simple thing I did was to add 50 ml 2 stroke oil to a full tank of fuel ....amazing result so far,no turbo lag or loss of power. Still have to hook it up to the trailer though...then we will see what happens. ...
    Thanks again for your helpfull advice,
    All the best, Ji

    Sent from my GT-P5210 using Tapatalk
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  9. Re: 2003 Audi 1.9 TDI AVF Engine Question 
    #29
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    Only 50 ml mate , use 250 - 300 ml .


    10 Litre Diesel ---> 50 Ml.
    20 Litre Diesel ---> 100 Ml
    30 Litre Diesel ---> 150 Ml.
    40 Litre Diesel ---> 200 Ml.
    50 Litre Diesel ---> 250 Ml.
    60 Litre Diesel ---> 300 Ml.
    70 Litre Diesel ---> 350 Ml.
    80 Litre Diesel ---> 400 Ml.
    90 Litre Diesel ---> 450 Ml.
    100 Litre Diesel ---> 500 Ml.

    To prevent overboost limp mode on a vnt turbo , decoke the hotside with Mr Muscle .
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  10. Re: 2003 Audi 1.9 TDI AVF Engine Question 
    #30
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    Was just the small bottle you add to the 5 ltr container for chainsaws. ......so any improvement that followed is purely coincidental 😕. ....will have to check again under load, next time I am back home. Thanks for the amount table, ,, very useful.
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