I have taken a video of my car idling at start up and then at acceleration because I am not sure that it is running properly because:
1. The fuel/air ratio is too low ~7.4 at acceleration
2. There is a loud "rattling" coming from the area near the catless downpipe/EWG at 3000+ RPMs, sounds like it is under passenger side glovebox/floor.
I don't have any experience with turbo vehicles and I just bought this car, it has:
Let me know what you think or if I need to take different photos/videos, thanks.