My car now put at tom's KL ,haven find the problem yet..
Sad...
When bellow 4000rpm ,the car like miss fire,but oledi check all the part.(like plus,plus coil, air fuel sensor,o2 sensor,injetor,ecu,fuel pump....)
still cant find the problem...haiiiiii.......
i am plan ,if my car can settle the problem and haven sell it,may be i will install back.