engine stalling when start .
i have cultus 2008 EFI.i am facing a problem when car is cold on starting .when i start the car on petrol in the morning,thn facing a stalling issue.like when i applied the pressure on accessalator then engine drop the rpm and when i take it off then it take the race.when car warm up then there is a no issue.
i also changed the throttle body but still facing the same issue.just facing this issue on petrol.on cng there is a no issue.
any advice what should i do?