got a problem. at idle all good give it part throttle and refs will continously fluctuate (up and down) with more than half or full thottle problems dissapears with a bit of a shudder cruising around at 50kms 2700 rpm roughly car will speed up and slow down with part throttle not bein increased or decreased again full thottle problems dissapear or if you give it a bit more thottle it will speed up and have no issues until you go to decelerate change gear and gas back on it shudders a little any ideas or remedies would cleaning the aac valve help
