2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums banner
1-1 of 1 Results
  1. 2010-13 Mazdaspeed 3 Engine and Performance
    Hello everyone. Maybe someone has some answers for me. when my car is cold, it sputters and blows alot of black smoke. As it warms up, runs great. Any ideas? Plugs? Tuning? Turbo?
1-1 of 1 Results