Highlander 1st Generation (2001-2007)
2005 Highlander, 4cyl, front wheel drive, 200k miles.
Consuming 1qt oil (from high mark to below the low mark) every 1500 miles. Drive 45 miles to work at about 74 mph, this is leading to higher consumption rate than previously had. Use 10-30 mobile high mileage non synthetic oil.
I have...