Quote:
Originally posted by Gasman59
Basically with your throttle closed and the car braking via the engine, you build up vacuum in the intake system which pulls oil past the worn valve guides/seals.
Ron
|
Worn rings will do the same things as high cylinder vacuum pulls oil past the oil control rings.
The best thing to do is have a leakdown test performed to pinpoint the source of any compression loss. This will help pinpoint the source of oil consumption.