Hey guys i want To ask before i change up the CEM central electronic modul in my car i got boost leak i can feel it in the car .. i got boost like 5 sec when i give fuel and 1 sec lag (leak) and another 5sec boost and another 1 sec lag ......the car give enormous back fire ...sound like 4 tire explod in same time ...again and again i Feel like a rookies try To learn how To declutch for the first time lol wat can it be...im pretty sure its CEM ...mass air flow dirty ? Dont think so ..Sound electronical

Well help Will be apreciate thanks