4th Jun 2021, 15:48
Absolutely 100% NOT. Serviced on time every time. Read the many forums for the Toyota sludge problem starting in the late 90s due to a faulty PCV system. Even today they can't get it right with oil consumption issues on newer models.
4th Jun 2021, 15:47
Doesn’t matter if you changed often. Colder small passages in engine. Sludging occurs.