a3james Mar 23, 2012
Read the above posts. It's your cylinder head that's porous.
Surely not , on a 2014 engine.
I assumed he made a mistake and wanted to write 2004 because this is 8P subforum.
No 2014 sorry for posting on wrong one
I’d still check all of the above. Egr cooler, blocked overflow etc.
Separate names with a comma.