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Thread: smoking when accelerating 1.9 CDTI (120)

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    Regular Member rec's Avatar
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    Default smoking when accelerating 1.9 CDTI (120)

    hi guys

    only had our vec c a few days, it seems to smoke alot when you put your foot down on the accelerator, it went in today for a service, had new filters, new oil and 3 of the 4 glow plugs were duff so changed all four.

    when i put my foot down and the revs build up it starts to smoke a fair bit and smells like dirty diesel.

    it had a spanner light on so i got the codes read but it said there was nothing wrong and the light went out.

    anyone know what could be causing the smoke?

    its also got a rumbling at around 3000rpm again when foot is flat to the floor, if you slowly build up the speed it doesnt happen, is this likely to be a bearing of some kind?

    any help would be great.

    thanks

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    does it smoke at low revs

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    Quote Originally Posted by squiggy4 View Post
    does it smoke at low revs
    no bud, only smokes when the peddle is flat to the floor!

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    if it's only smoking on boost then you could have a split boost hose, loose clips, cracked intercooler or worst case duff turbo... best thing is to get someone to hold the revs while you have a good look & feel at all the hoses, it will be easy enough to spot as you will hear the air escape.
    hth

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    Quote Originally Posted by dh.dti View Post
    if it's only smoking on boost then you could have a split boost hose, loose clips, cracked intercooler or worst case duff turbo... best thing is to get someone to hold the revs while you have a good look & feel at all the hoses, it will be easy enough to spot as you will hear the air escape.
    hth
    hi bud, what kind of noise would it make? as it makes a little bit of a whistle around 3000rpm just as it comes on boost, could that be a split hose?

    i lost my rag with it today, i cleaned the boost sensor and did the airbox mod, and it seemed to be ok, i drove to a shop and as i was coming back i noticed it was smoking under the bonnet, i couldnt immediatly pull over so carried on about half a mile, pulled in and opened the bonnet and it was peeing diesel out the top of the fuel filter, i lost about half a tank in total. wasnt happy.

    so i had to sort that out then steam clean all the diesel off the engine bay, car absolutely reaks now

    plus its still smoking and its rumbling at about 3000rpm when my foots planted, only does it on full throttle, doesnt do it at half!

    its going to a vaux tech next weekend to be hooked up to a diagnostic machine, and hes going to give it a good once over for me to see if he can suss it out.

    i love the look of the car but am fast loosing my patience with it, i think i bought a lemon and feel a bit gutted about it

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    it could be the injectors need done but they are not cheep and that will not be the rumbling so i would and wait and see what tech throws up i also have a bit smoke on my veccy but just when i floor it

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    Quote Originally Posted by squiggy4 View Post
    it could be the injectors need done but they are not cheep and that will not be the rumbling so i would and wait and see what tech throws up i also have a bit smoke on my veccy but just when i floor it
    is it just white smoke bud? it only bothers me that ill be smogging all the people following behind me

    hopfully the tech will point us in the right direction, father in law reckons it could be a gear box mount or clutch issue. just want to get to the bottom of it and get it running right

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    mine is black smoke which is unburnt fuel but it is only when you give some hokey cokey which i would say that most diesels will have but if
    yours is white smoke it will not be that maybe split hose somwhere like someone has already said trouble is these days too many things can cause the same problem.

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    Vehicle : Bmw 330d

    Trim : Msport

    Engine : 3.0d

    Year : 2008

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    don't worry its just cleaning the rubish out

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    Quote Originally Posted by mattv6diesel View Post
    don't worry its just cleaning the rubish out
    how long should it be doing that for though fellla? its been doing it for the 200 miles weve had it so far, im not sure its normal

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