hornsfan10609
Certified Mazda Tech
- :
- 2003.5 Mazdaspeed Protege x2
That's how the stock setup is on every car made, after 86k miles my turbo didn't have very much oil residue in it. Get a catch can or stick a breather on it if you are paranoid, a breather may throw a P0171 as there will be a very slight vac leak.