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some strange problem with my audi a4 1.9tdi

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by audia4d1, Sep 8, 2010.

  1. audia4d1
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    audia4d1 New Member

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    [Sep 8, 2010]
    hi guys hope someone could point me towards the right direction on here, my car which is a audi a4 1.9tdi 130bhp 52 plate, everytime it rains or whenever i wash my car, the car seems to be very sluggish, for example when i drive and put my full foot down on the gas pedal it could take upto around 5 seconds for the car to respond, and in 1st gear it wants more gas than usual to get it goin.

    anyone got any idea what the problem might be its been couple of months i changed my maf sensor and i think its called a map sensor (boost control sensor) the car has had a service done around 6 months ago

    any help would be appriciated.

    cheers
    #1
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  3. DGT
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    DGT New Member

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    [Sep 8, 2010]
    the solenoid valve behind the o/s headlight that controls the EGR valve gets drowned in water and causes the hesitation your experiencing.. you may be able to get at it when your cars running well, i.e when its dry, and cover it up with something
    #2
  4. audia4d1
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    audia4d1 New Member

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    [Sep 9, 2010]
    thank you for that info could you please tell me where abouts that is, and what exactley do i need to do, thank you once again
    #3
  5. DGT
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    DGT New Member

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    [Sep 9, 2010]
    heres a pic of it, its buried down behind the o/s headlight, you should be able to see it
    [​IMG]
    ill take another picture of mine in situ tonight
    #4
  6. DGT
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    DGT New Member

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    [Sep 12, 2010]
    sorry, my camera had died..i would try to get in there with my phone to take a pic but it would mean dismantling the air intake..its under there though, just go have a look :)
    #5
  7. simon.m
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    simon.m Active Member

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    [Sep 12, 2010]
    on my tdi its very easy to get at its just behind the drivers headlight
    #6
  8. DGT
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    DGT New Member

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    [Sep 13, 2010]
    ehh, yeah :/
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  9. audia4d1
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    audia4d1 New Member

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    [Sep 15, 2010]
    thanks for the help guys, i will give it a go this weekend, so once i get to it what exactly do i need to do?
    #8
  10. rob irl tdi
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    rob irl tdi Member

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    [Sep 15, 2010]
    If there was a problem with it would it show up in VCDS?
    #9
  11. simon.m
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    simon.m Active Member

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    [Sep 15, 2010]
    when you get the new one just pull the pips of the old one and unclip it but make sure you put the pips on the new one in the same order as your old one
    #10
  12. audia4d1
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    audia4d1 New Member

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    [Sep 15, 2010]
    i have had the codes read out nothing comes up
    #11

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