Too much crankcase pressure would be would be my first guess (as long as oil
level is correct). Possible causes include a problem with the positive
crankcase ventilation system or blowby due to worn rings/cylinder walls.
"Wayne Whitesides" <basballboy12 (AT) webtv (DOT) net> wrote
Quote:
my f-150 is blowing oil out of the dip stick any what can cause this
problem