Have your ruled out clutch setting and idle rpm setting. Had same issue with the Petrol swift i use, some clutch play adjusting and things were fine.
Otherwise, air filter, fuel filter and plugs should be checked first. Then move to throttle body and injector cleaning and finally to coils.
__________________ The strength to change what I can, the inability to accept what I can't, and the incapacity to tell the difference. -Calvin |