my car is newly overhauled.everything seems to be perfect except with my idle. paataas baba from 1000-1500.1500 when idles. 1000 when aircon is on. According to my mechanic, there is somsthing wrong with my computer box since for efi,computer box will automatically controls the idle of the car. any comment? can you recommend ecu repair shops near las pinas. thanks in advance...