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@savs
I am a bit confused as the OP has a 2013 TFSI engine and these are the upgraded engines. The faulty engines that consumed oil were only 2008 to 2011.
Audi are still offering these repairs if you unlucky enough to own one.
My work colleague has a 2010 TFSI from new with Audi service and they doing the repairs free. Some members here mentioned they had no Audi service history but Audi repaired the engine if owner made 10% contribution.

These faulty engines had 3 stage repairs.
Stage 1..upgrade the PCV
Stage 2..upgrade piston and rings
Stage 3..complete engine replace.

I bought a scary 2009 model in Oct. Done a oil change and been monitoring nervously. So far done about 550miles due to lockdown and its been stable 1 bar below the max for last 400 miles. From what I googled as I am in same boat, after the engine repaired owners reporting consumption between 2k to 4k between top up.

Before the repair it was only couple hundred miles


Hey Sayek

Yep me too (confused). Trawling different forums it can be difficult to see if cars are pre-2013 or what size engine (people don't always say).
Agree lots of reports pre-2013 engines. Less (but not none) post-2013.
I found this thread in Audi world - Audi A4 b8.5 (2013) excessive oil consumption - AudiWorld Forums

Possibly the issue was not fully fixed in 2013, or the fix didn't kick in until later in 2013? I'm not sure.

I'm hoping PCV repair might do it?

Its a difficult one. Given the last owner of Greggs car - and the cosmetic condition he bought it in, i think the last owner just lived with it and didn't see it as a problem?
Be interesting to know how many miles the last owner did per year of ownership? Could work out oil consumption and whether they would have noticed it (i.e 3000 miles per year, 3 oil top ups, some owners wont see that as an issue).

I am casting here though. Wish i knew more...
 

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Hey Greg

Good write up. Ok. At the moment i'm inclined to believe the MMI oil gauge as it did decrease when you consumed 0.5l of oil. And registered as topped up half way by adding 0.5l of oil.
Rough estimate is 1l of oil consumed every 1000 miles then.

Now..... is that ok, acceptable of bad? Our cars use fully synthetic oil (no mineral at all!). I use Castrol Edge as per book. And at aprx £15 per litre, topping up your car every 1000 miles (every other fuel fill up?) is expensive.

Audi oil consumption for 1.8 and 2.0l petrol's (going by engine, not vehicle model for this one). Check the handbook if possible. My handook for an A5 states:
  • Depending on how you drive and the conditions in which the car is used, oil consumption can be up to 0.5ltr/ 1000km...
  • Thats a "get out of jail" caveat Audi have given themselves...!
  • So for you car this works out 1ltr of oil per 1600km. Just below the handook.
This concerned me enough to search the net and lo and behold, unfortunately, there are indeed many cases of 1.8 tfsi oil consumption threads across many forums.
Cuurently i've seen solutions as:
  • Keep topping up oil, drive, and enjoy (i know - don't shoot me! I'm not happy with that one).
  • PCV fix as you've got above. This may help - but wont be known until you've done it.
  • And...... this one pains me to mention it......... an issue with piston rings. These require replacing. Defective ones (not sure if its a sizing issue) allow oil to leak around pistons, which gets burnt up but gives high oil consumption. Not sure what long term effect this has on CAT. But keep topping up oil.
    • I suspect the previous owner just lived with the oil consumption and topped up.
  • What is the exhaust like? Do you get smoke?
    • Blue = oil burning
    • White = coolant
      • If small amount of oil (although continuous hence consumption) this may not show at all

Now, before you throw the car in a river or off a cliff or..... through the home of the last owner! Have a good look on the internet (i have a feeling you already have).
This thread from piston heads for example has good view points: TFSI oil consumption fault - affected models? - Page 1 - Audi, VW, Seat & Skoda - PistonHeads UK

To quote a segment: "changed the oil breather pipe and a seal. Apparently the old parts where sucking up too much oil so they were replaced with different parts. If this didn't work the next step would have been to open up the engine. Luckily it did and the car now uses much less, about 1 litre every 3000 miles. "

I really wish i could be more help with this one. Sorry! Options are do the PCV fix and see how it goes. Or maybe go to Audi and see if there is a recall that relates to this issue?
I'm hoping someone can jump in a say they had it, and solved it. You my need to check different forums (the 1.8 tfsi used on VW, or other Audis etc).
It still may not necessarily be a bad thing (apart from in the pocket!), but i don't think its a good thing either?
HI Savs,

Thanks for taking your time to help with this. That's a great reply.

OK, so this all makes sense BUT, as Sayek mentioned, my car is a FL car so does this advice relate to my engine?

If I had a pre 2012 car, I'd at least know where I'm at, but my confusion is:-

A) Did any of the post 2012 cars suffer the same problems? (1.8 or 2.0 tfsi)
B) If not what would a high oil consumption relate too?

I've got the car booked in for a service and oil change along with a diagnostic check on the newly arrived ESC & ESP fault lights (oh and my auto/start stop has a malfunction error too now!).
I'll trip the odometer again at that point and see where the usage is at but even if after the oil change I get a 100% improvement it would still be a startlingly high consumption on a newer engined car that ought not have this issue at all.

Being my first Audi, I'm just trying to find a decent specialist who can help....hopefully this garage on Wednesday are OK and I might get somewhere.

Cheers
 

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Hey Sayek

Yep me too (confused). Trawling different forums it can be difficult to see if cars are pre-2013 or what size engine (people don't always say).
Agree lots of reports pre-2013 engines. Less (but not none) post-2013.
I found this thread in Audi world - Audi A4 b8.5 (2013) excessive oil consumption - AudiWorld Forums

Possibly the issue was not fully fixed in 2013, or the fix didn't kick in until later in 2013? I'm not sure.

I'm hoping PCV repair might do it?

Its a difficult one. Given the last owner of Greggs car - and the cosmetic condition he bought it in, i think the last owner just lived with it and didn't see it as a problem?
Be interesting to know how many miles the last owner did per year of ownership? Could work out oil consumption and whether they would have noticed it (i.e 3000 miles per year, 3 oil top ups, some owners wont see that as an issue).

I am casting here though. Wish i knew more...
It's the same problem I had whilst searching forums....anything 'Oil consumption' related seems to point to earlier cards but its not 100% clear.
I was hoping (or not hoping) to find threads of people that still had the problem on newer cars.
Likewise, if not all the engines were 'fixed' in the early FL cars it would be good to know as I'd go straight to Audi.....(not that I'd get much luck but it's a start)

The car is 7 years old and the last owner had it for 3 years, they did approx 6/7K miles a year. My gut instinct is that they lived with the car irrespective of what was going on....

The car doesn't smoke BUT i think there's a lot of exhaust fumes (always white)....certainly more than I'm accustomed to on previous cars. That said, I googled that too and am lead to believe that the exhaust is an Audi thing anyway and shouldnt be of concern+ it's obviously bloody freezing out there so not always obvious.
 

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Mmmmmm very tricky one this. Note that when the manufacturer talks of model years that is NEVER going to correspond directly to the year of registration, cos all cars take some time to go through the factory to the dealer and then from the dealer stock to the first owner, so always allow a year or 18 months of leeway. Good luck!!!
 

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This is only based on what I read on several forums.
If you unlucky enough to own one of these CDNC engines. You can visit Audi and for about £150 they will drain your oil and refill with a certain amount before asking you to drive exactly 620 miles. On your return Audi drain the oil and reach a decision if you qualify for the repairs.

It was maybe a month ago a member in this forum bought a car without Audi history and dealer offered to repair the car for 10% contribution. The repair bill about £5k+ and majority is labour. So its good business for the local dealer if they convince Audi to agree to repairs.

You maybe lucky and find out your 2013 car had a a engine fitted that was built in 2011.

I would not worry about the exhaust. Mine does the same as its very cold now :)
 

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Discussion Starter #26
This is only based on what I read on several forums.
If you unlucky enough to own one of these CDNC engines. You can visit Audi and for about £150 they will drain your oil and refill with a certain amount before asking you to drive exactly 620 miles. On your return Audi drain the oil and reach a decision if you qualify for the repairs.

It was maybe a month ago a member in this forum bought a car without Audi history and dealer offered to repair the car for 10% contribution. The repair bill about £5k+ and majority is labour. So its good business for the local dealer if they convince Audi to agree to repairs.

You maybe lucky and find out your 2013 car had a a engine fitted that was built in 2011.

I would not worry about the exhaust. Mine does the same as its very cold now :)
In the back of my mind, this would be the plan. As soon as possible establish it's an older engine and then start that process with Audi.

I'd love to find out which dealer was willing to play ball so I'll have a look on here.....

Thanks for the vote of confidence in the exhaust!
 

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2012 facelift 1.8 engine is CJEB
prefacelift was CDHB

The infamous CDNC was the 2.0........
 

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True. And, as far as I’ve been able determine, the 1.8 motors got the same production line mod to address the oil consumption issue that the 2.0 motors did, and at around the same time - October to November 2011. I can’t find the reference for this, so I can’t be 100% certain it’s correct, but I’m reasonably sure that’s the case.
 

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In the back of my mind, this would be the plan. As soon as possible establish it's an older engine and then start that process with Audi.

I'd love to find out which dealer was willing to play ball so I'll have a look on here.....

Thanks for the vote of confidence in the exhaust!
Hi Greg

Yep, as Sayek says, this cold weather gives you exhaust smoke anyways. Difficult time of year to use as an indicator.

Do you know what engine code you have? It may be service book if you have it (sticker in front of book giving chassis number. If its the same as mine, 5th line down gives engine code).
 
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