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https://www.ebay.co.uk/itm/285098951418?fits=Car+Make%3AAudi|Model%3AA3&hash=item426138c2fa:g:LM8AAOSwP8djtoa0 I have never done it, but for seven quid it might be worth trying.

I put up with the fault for the whole time I had the car, which would have been perhaps five years. My wife refused to drive the car because of it, whereas I tolerated the problem by adapting my driving. At the time it was too good a car in other respects to get rid of, yet not worth spending a lot of money to repair. Nevertheless it was a constant irritation and I am glad I no longer have to concern myself with clutches and gearboxes. Eventually it was the imminent need of gearbox repair and the price of diesel that prompted me to sell it.

Update on the issue: Faulty injector identified when plugged in for diagnostics. Injector and seals replaced and all engine juddering has stopped. There wasn't an exhaust leak it was the smell of fuel / oil leaking out of the injector onto the engine and being dragged in to the cabin by the air con. £490 lighter but issue resolved.

had to do similar. bumper off, service mode.while doing the cambelt changed the water pump aux belt and all the pulleys.are you mentioning the lights and adjusters because it was a learning curve darryl.or just a good tip lol

WIll start the online research and let you know once I have a solution. Just wathcing a youtube video of a guy doing it through obdeleven, and will give it a go myself tomorrow and see how it goes. Thanks

I had similar happen on my A6 2.0tdi just before Christmas, the idler pulley bearings disintegrate and the pulley falls apart, they will rattle a bit before hand (maybe a couple of weeks maybe longer), if you are fortunate and not going at speed you shouldn't cause too much damage, possibly just the belt and the idler pulley will need replacing. Unfortunately on the 2.0tdi (may be different on other engines) the whole of the front end needs to be put into the service position to get to the idler pulley, which is under tray down, bumper off, headlamps out and core support slid forwards to put it into the service position, if you don't have the slide bolts that VAG and ELSAWIN recommend you can always use 2 of the vertical bolts holding the bumper bar to core support, there are 2 vertical bolts either side, use 1 from each side. The idler pulley bolt is a spline key, it takes about 2.5hrs to strip down, replace idler pulley and belt and refit all the other parts removed, make sure though to mark the position of headlamps to each side with masking tape so as they go back in the correct position and not to turn the headlight adjusters when undoing or redoing up the headlamp securing bolts, otherwise it is bumper off to re-adjust them at a later date

Haha! Yes, I've certainly been very lax at checking the car over regularly and have purchased a tyre pressure gauge from Amazon. And that's also a really good idea about visiting the various garages - there's so many in my area and it's an absolute minefield! Regarding contacting Audi UK, the tyre tread/pressure question is just a side issue. My real gripe is about the software update that was used to fix the ongoing EV issues we were having. A few weekends back, myself and the family were unfortunately stranded in Oxford (about 100 miles from home) as the car was unable to start. It had a Drive System Failure error message that couldn't be fixed by the AA, and so we had to wait three hours for a tow truck to take us home. I'd just like to know why this software update wasn't carried out during my recent service? The customer services advisor gave me a load of rubbish about it being a different type of software update compared to ones that they carry out during a service, which I find extremely hard to believe. There's just been a complete lack of information and transparency and it's left us feeling very let down by Audi.