Hi.
Quote:
Originally Posted by lubnani97
i replaced the engine on my sti every thing works good untill i hit 5000 rpms then cylynder #3 miss fires subaru mechanics tried every thing and cant fix it please let me know what i should doo
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Could be .
1. Plug gaps.
2. Injector performance (one stuck open/not performing correctly)
3. Boost leak.
4. Air Intake