Engines, engine oils and filters have come a LONG way since 3K mile changes were normal. Ford recommends somewhere between 5K and 10K using the IOLM recommendation. 3K is 1/3 of the recommended interval. The only reason dealers still recommend it is $$$$$$. ‘
If you want to find out for sure, send off a sample for oil testing. I think 5K is plenty safe even with most conventional oils.