RepairPal Certified shops can diagnose and repair your 2001 Toyota Highlander. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
You have a serious problem either you are not seeing all the smoke as that would be a lot of blow by on a set of rings it is most likely a leak that blows all over your transmission and such either way quart evry 300 miles is really bad