@engrumerfarooq1
AssalamOAlikum
Check fuel pump pressure. Agar pressure Sahi hai no need to replace it.
Check Rpm sensor gain
Tapits setting
Plug gaps
Throttle serviced properly and Tp sensor working.
Check timming
InshaAllah in steps ko check kr lien one by one InshaAllah problem will be resolved.
For more detail disscussion you can call me or whatsup
Santro specialist
Cartech autos
Syed Sadat Masood
03224450322