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  1. Audi a3 tdi 
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    Hi I have a 2004 audi a3 wich seems to have a starting problem when warm iv been told it mite be the relay 109 does
    any1 know if the 2004 has this relay and does it cause problems
    thanks ??
     
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  2. Re: Audi a3 tdi 
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    Have you had the car scanned for faults?


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  3. Re: Audi a3 tdi 
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    Hi yea as a while back it wouldn't start at all so had it plugged in but came back no faults
    then when warm takes longer to crank over an thought myt try this fuel pump relay if the car has 1
     
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  4. Re: Audi a3 tdi 
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    There is also an issue with warm starting caused by the starter motor. Have a read up on it as it is a common problem. You can test for this by using VCDS and checking the cranking rpm when warm. Some info on it/doing this here: A3 1.9 TDI engine starts weird when hot
    and another thread, whereby the original poster explains the typical symptoms of the starter motor issue which I have also experienced first hand: Please Help Hard to start and slight hesitation
    Previous: 2005 A3 1.9tdi SE
    2009 Audi A3 2.0tdi 138bhp SE
     
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  5. Re: Audi a3 tdi 
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    The 8P A3 does not have a 109 relay as such. What is your engine type code?
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
    !


     
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  6. Re: Audi a3 tdi 
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    Thanks alankru I'll have to look deaper into it


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  7. Re: Audi a3 tdi 
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    Crasher I'm not sure ? Wer wud I find this ??


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  8. Re: Audi a3 tdi 
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    Hi think this myt b the engine type Engine No.BKD169055



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  9. Re: Audi a3 tdi 
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    Quote Originally Posted by alankru View Post
    There is also an issue with warm starting caused by the starter motor. Have a read up on it as it is a common problem. You can test for this by using VCDS and checking the cranking rpm when warm. Some info on it/doing this here: A3 1.9 TDI engine starts weird when hot
    and another thread, whereby the original poster explains the typical symptoms of the starter motor issue which I have also experienced first hand: Please Help Hard to start and slight hesitation
    Man says his is a BDK engine. Is that not a 2.0ltr engine?

    Ours is a BDK engine too and can be a poor starter from hot. Great from cold though and the wife can start it from hot with no issues...........
     
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  10. Re: Audi a3 tdi 
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    Yes it's a 2.0ltr


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