1. Is your legs co-ordination between the clutch and accelerator proper?
2. Do you install high power audio/video system or many electrical/electronic stuffs in ur car?
3. Do U carry out the scheduled maintenance for ur car?
4. May need to send back for check on the sensors and re-tuning the engine.
If yes for any 1 to 3, please carry out the corrective action.
If no for 1 to 3, act on 4.