i have over 145000
some times i smell burning oil on 2006 Cadillac DTS
PRESSURE WASH ENG THEN INSTALL SOME LEAK DYE IN CRANKACASE. AFTER YOU HAVE DRIVEN IT FOR ABOUT A WEEK SEEK A MECH WITH A DYE LIGHT AND ASK THEM TO DIAG SOUCE OF LEAK
Leak dye is a wonderful thing! Lol!
1 more answer
Probably either the head gasket or the valve gaskets leaking into the spark plugs. Need to have diag. and find out which.