as every1 knows EFI is much better than the old Carburetor,better mileage n performance n waghera waghera.i dont know much about cars. i wud like to know EFI system ki pakistan main kia common problems ati hain cuz yahan CNG pe use hota hai aur petrol bhi itna saaf nahi hota, like Fuel Injectors ya ECU prob,kia pakistan main EFI car lena theek hai ya wohi old reliable carburetor best hai?