2003 librty,uses oil,oil brng smell,smtms smks fr undr hood n cld wthr.?cstrepr on 2003 Jeep Liberty

only smokes from under hood when it is cold and i come to a stop. smells like oil burning. had oil changed 1700 miles ago and oil lite came on and it was almost empty of oil.
how much is repr for valve cover/gaskets if that is prob and is engine prob shot 140,000 miles

Asked by for the 2003 Jeep Liberty