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  1. #1
    Reverse Gear

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    A4 2.0 TDi and a lot of black smoke!

    Could anyone shed any light on this problem please?

    Recently, my A4 has been very sluggish, low down in the revs it has no pull whatsoever, its just flat. Then when the revs build up a bit and the turbo kicks in it shoots a load of black smoke out the back then its away. I had it in to my local garage and he says it was the air flow meter. So he changed it but the problem is still there.... ? It's booked in again for Monday morning for him to have another look.

    Thanks in advance

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  3. #2
    NHN
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    Modmetractor

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    Yeah & maybe he will knock of the charges for the mistaken diagnosis the time he spends on it now, these garages do take the piss tbh, they change parts that dont fix the problem & still charge, guess using independents is the issue for that as audi can have parts on shelf that can swap etc to find fault, you sure its not exhaust related when it heats up, I'm not an expert into exhausts but seems to be when the engine has warmed up it chucks out some **** maybe its burned of & then its ok?

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

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  4. #3
    fjtwelve's Avatar
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    Suspect the boost contol valve, its called the N75 on my engine but not sure about yours. A bright finish circular object sitting on the side of the turbo on mine, again not sure about yours.
    2001 A6 Avant 2.5TDi quattro Sport 180hp+TurboDynamics MD438 hybrid+Bosio Race683s+3" exhaust+Celtic Tuning remap - now with adamss24 replaced with runabout
    2007 BMW 535d AM Sport + Celtic remap
    2004 A4 Avant 1.9TDi quattro Sport 130hp + Superchip - sold & replaced by
    2005 Audi TT 1.8T
    1988 Yamaha FJ1200 120hp finally traded after 23 years for
    1986 Yamaha FJ100 (1300 barrels shhh!) with too many bits to mention
    2011 BMW 320d M Sport son #1
    2004 Suzuki SV650 S son #2

  5. #4
    VRStu's Avatar
    Just Looking

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    I'm assuming he's done a diag check with VCDS or similar??
    Stu.

    A4 3.0 TDi S-Line Quattro, 7 Speed S-Tronic, Quartz Grey, 19" Twin Spoke Alloys, Alcantara with Silver Stitching & Heating, Nav High, B & O, AMI, DAB, Parking Advanced & Rear View Camera, Advanced Keyless Entry, LED Interior Light Pack, Hill Hold Assist, Heated Electric Folding Mirrors, Through Load.

    Previous MY11 S3 Sportback Black Edition, S-Tronic, Ibis White.

 

 

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