Recent content by lephantman

Same reason you'd install it on any car, to reduce aerosolized oil droplets from getting pulled through the intake and potentially carbonizing on intake valves. Relatively new cars are often GDI engines and suffer worse as they don't have port injectors cleaning the intake valves.

Your study does note on that slide that: "Nevertheless, it is still possible that contaminated lube oil (containing metals or slurry) could be the source of IVD since only fresh lube oil was used in this experiment" And obviously our oils are contaminated; more research is needed to rule it out.