2013 1.2 TSI excessive oil consumption

HighFlyingBird

2016 Leon FR 1.4 150 in Chilli Red 2019 - 2020
Jan 15, 2019
250
87
Leeds
Hi all

I took my 2013 Leon SE with the 1.2 TSI engine to Manchester 2 weeks ago and on the way home the check oil level light pinged on, I came off at the nearest petrol station and waiting about an hour for everything to settle and dipped it only find the stick dry as a bone, so I bought some oil, topped it up and made my way home. Since then I've checked it everyday before and after going to work on level ground and it's not used a drop but last night I took it for a quick blast down the motorway (roughly 20 miles on the motorway at 70mph) and I checked the oil this morning and it's gone from full to about 1/4 full.

Does anyone know what could be causing it? It's not puffing out blue smoke and there's no visible leaks anywhere in the engine. The only thing I could think it to be is the main engine seal by the flywheel but that'd probably be making the clutch slip, or it's a turbo seal and it's just firing it straight down the exhaust.

Any help appreciated
 

HighFlyingBird

2016 Leon FR 1.4 150 in Chilli Red 2019 - 2020
Jan 15, 2019
250
87
Leeds
Update: just taken the pipe off between the throttle body and turbo (part number 04E145673C) and there's oil inside it, but there's no oil in the throttle body itself but there was a small pool of oil on the turbo side, anybody know if that's a sign of anything?
 

Wastedagen

Active Member
Aug 3, 2017
478
101
Milton keynes
My 1.2 TSI DSG 2014 uses 500ml every 1300 miles.... I carry a litre top up bottle in case I forget and get caught out.... I look at it as a constant rolling oil change....

Sent from my RVL-AL09 using Tapatalk
 

LouG

Active Member
Dec 1, 2017
1,319
481
Nelson, New Zealand
Update: just taken the pipe off between the throttle body and turbo (part number 04E145673C) and there's oil inside it, but there's no oil in the throttle body itself but there was a small pool of oil on the turbo side, anybody know if that's a sign of anything?
Do you know where the crankcase venting system vents to? Is it into that pipe?
 

HighFlyingBird

2016 Leon FR 1.4 150 in Chilli Red 2019 - 2020
Jan 15, 2019
250
87
Leeds
OK. If it vents into the intake, the oil could be condensate from engine blow by.
Ok thanks, how would I go about fixing the blowby? Wouldn't a thicker oil like 5w40 instead of the 5w30 I currently have help prevent it?
 
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