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I just watched a series of videos on youtube where they cut the back boxes off a 3.0 tdi (replacing the back boxes with a straight through pipe) and gained 20 bhp and 30 torques. Also it sounded great afterwards. Is this a bad idea? Will it affect the back pressure in the engine, maybe set off...

Euro Car Parts have a good deal on this oil: Shell Helix Ultra Professional AF 5W-30 5Ltr I believe the type of oil (in the Shell range) recommended for the Audi 3.0tdi is the AV-L version. Question is, for non-longlife servicing, does it matter between these 2 oil types? The deal link is...

I'm looking at getting a tow bar fitted, but am unsure if I need dedicated electrics or not. I know they cost more, and provide a link with the cars ECU, but for what benefit? I have a 2007 A4 3.0 tdi, I don't have reverse parking sensors nor cruise control. These sometimes get mentioned in the...

Hi All. I have a B7 3.0 tdi, and viewing test blocks 13 and 14 show my 6 injectors. Does anyone know what order they will be in? You get 3 injectors on 13 and 3 on 14. I'm trying to isolate 1 of them, but not sure what bank and order they will be. Any help appreciated.

Hi all, I have a slight misfire when cold that starts a few minutes after the car has been started. The car has been scanned with VCDS and no related fault codes came up. I have a 3.0 tdi quattro. Running tests on the injectors using VCDS (using test blocks 13 and 14) comes up with the...

I have had a scan done and the following 2 codes showed up. They appear to be fan related, although I've never seen the car go past halfway on the temp gauge. Any opinions on how to fix them are welcome...Cheers 06471 - Control Module 2 for Cooling Fan P1947 - 001 - Over-Temp...

I had a quick look at opening up the fuse box in the engine bay (by the battery), and there appears to be a screw down the back, very hard to get to. Is there a guide to help open it up? Or anyone got any ideas? I even tried to take off the windscreen wiper so I could remove the plastic...

Hi Guys, Anyone live in Essex (or near Chelmsford / S. Woodham Ferrers) with VCDS? I need the codes read on my A4. Before you say, i've mailed a couple of people by using the map, but no responses yet. Cheers

Does anyone know where I can buy a blanking plate for my EGR valve? I have a B7 A4 3.0 tdi Everything I see (on ebay and other shops) only shows 2.0 tdi not 3.0 tdi Also, has anyone blanked off heir EGR valve on this engine? I assume it needs a remap after? Cheers

I found this iPod? dock in my glove box. I tried it with my iphone4 and it didn't do anything. Anyone any ideas what it might be compatible with? Cheers

I have a 2007 (Jan) A4 3.0 tdi. In the front of my service manual I have code: 7GN which means 'Emission standard, EU4, DPF preparation' I think this means I don't have a DPF? Does anyone have any better idea? Cheers

I'm looking at changing my air & fuel filter on my 3.0 tdi. GSF sell the fuel filter for about £20 and the air filter for about £10. Does anyone know how much Audi charge for original parts? And is it worth paying the extra to stick with original parts?

Anyone tell me what your 3.0 tdi's idle at? Mine was 800rpm yesterday and it sounded quicker/noisier than it usually does.

Hi all, My auto 3.0 tdi has done 108k miles now, and I can't find any record of it having a gearbox oil change. Am I right in thinking this should be done every 40k miles or so? I'm thinking of getting it done just to be on the safe side - any views/ideas on price? Cheers

Hi all, I want to clean my EGR valve to see if it helps with some cold running issues I have at the moment. I've searched posts for this, but can't find any answer as to where the damn thing is located on the 3.0 v6 engine! My best guess is that it's in the middle towards the front, but I'm...

Hi all. 2 months ago I bought a 07 reg (B7) A4 3.0 tdi I have a question i'm sure someone on here can answer. I recently changed my battery and noticed that there is no cover running along the back of the engine bay, which means rainwater runs straight onto the battery (see pic below, not...