Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
CARADIODOC
AUTOMOTIVE REPAIR CONTRIBUTOR
34,308 POSTS
With no details to go on like how much oil, it's most likely condensed fumes from a non-working PVC system.
May 2, 2014 at 8:02 PM
WRENCHTECH
AUTOMOTIVE REPAIR CONTRIBUTOR
20,761 POSTS
That is usually caused by excessive compression blowby past the rings due to wear. Make sure the PCV system is working properly first.