Article on 3.0T common issues / reliability
#1
#3
AudiWorld Member
Can someone please confirm that the PCV Valve is truly is the reason for bad oil consumption. At least a big possibility. My Q7 eats oil like a pig, and it’s 2012. Where’s my A6 with a same engine doesn’t seem to eat oil at all. I understand that it’s a much smaller car and all that, but I had it for a month and the oil level haven’t dropped at all. Where’s on Q7, oil level drops significantly. Also if someone knows a nice write up on how to replace PCV valve, it would be awesome if you could share it.
Thank You
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