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Thread: Very Noisy 2.0dti

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    Default Very Noisy 2.0dti

    Hi All,

    Have been reading through some of the threads in this section trying to find out a bit about a problem I'm having, but to no avail. Maybe you guys can help?

    The problem:

    04 Veccy 2.0dti running very rough most of the time. Lumpy when started for a few seconds with a nice puff of grey smoke. Fuel economy dropped quite suddenly.

    A bit of background:

    Fuel economy was grand, ~43-45 MPG regularly, but hard to start in the mornings for a few weeks, then car stopped one day and wouldn't start again. Filled tank with good fuel, bled it, changed glow plugs, replaced air filter and all usual service items. (Car has only recently (around 4 months) been given oil and filter change using VX FS Oil and VX Filter, also Slick 50 Engine Protector). Left it into garage (not the one i bought from) asked him to change injector seals and leak off pipes. Was advised the leak off pipes had already been done prior to me getting the car as he could see they were better than standard VX ones which are problematic. He run diagnostics on the car before doing the seals as he said could be overkill.

    Anyways basically he said a couple of the sensors were not running in alignment or something to that effect and he reset them etc. Car at very least is now working again and although still bit lumpy in the mornings, it's going, which was my main concern as I need it for work.

    Can anyone tell me what would cause the negine to sound so noisy though? It sounds like it does when the turbo disappears when the car goes into limp mode and it's relying on straightforward deisel grunt. The turbo is working because it kicks in from about 1500 revs and it actually quietens the engine a little. The noisiness is more when you are just cruising not using the turbo to accelerate etc.

    Any suggestions would be greatly appreciated.

    Jonny B

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    Regular Member Gsi3.2's Avatar
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    on a DTi?.. there's plenty it could be..what codes did he get when he did the diagnosis?

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    He didn't give me the codes unfortunately. I'm bit stumped but gut tells me that something not right in the timings or programming and that perhaps he's reset more than he should lol.

    I'd been using BP ultimate and Millers PS4 for a good while prior so unless I've had a seriously bad fill I can't see fuel being issue or anything like that.

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    Hi!

    Very interesting, I am having kind of same issue on my 2.2 DTI. Took it to the dealer and after a test ride they've figured out that only half of the fuel filter was filled with diesel, the MAF was ok so they've cleaned the fuel pipes (but not the fuel tank)... and they were very-very dirty! So, problem was solved... temporary! The engine is now noisy,again (after 200-300 miles)... phoned to dealer,he said they have to clean the whole tank (maybe there is some kind of crap) and check the pump...

    (sorry for my grammar mistakes)

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    Funny you mention it, when the car wouldn't start it wasn't getting diesel in to the filter. New filter was fitted etc but car would have been turned over quite a bit with no fuel so perhaps brought crud through from tank.

    Did he mention how much it would be to do full system clean?

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    No, he didn't... We'll see tomorrow...

    P.S.: I forgot to mention that idle fuel consumption (on cold start) went from 0,9 l/h to 1,5 l/h !!! When the engine is warmed up,consumption is ok - 0,3-0,5 l/h -, but the engine is noisier (just a little). I just hope the pump is ok

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