hay guys im new to this just trying to sort stuff out I have a ba xr6t Ute ive noticed the last few week ive had a ruff idle that comes and goes. mainly when I stop at the light its like it wants to stall. been to shop they don't see anything wrong can I have some input on that. also while cleaning my inter cooler pipes today I found that my turbo has broken fins?? has little if so no play still spins freely. any ideas on that too??