Style chooser

greeting to all sifus here,

I've juz changed all the plug, cable, and ignition coil recently but the jerking still persists...but, it's only when i turned on the AirCond.....if not, the driving will be smooth.....anyone have any idea what may causes this problem? i do suspect fuel pump or throttle body, but it bugs me coz it happen only when i turn on the aircond only, and if the jerking start happening, the car will keep jerking even after I turn the A/C off. It will only stop until I...