[Jess.A]

Hi
I have Hyundai i30 2012 elite petrol automatic
It has 188k km
Just had new battery. Serviced a week ago with new air filter. New nkt crank angle sensor.
Spark plugs changed one year ago.
Engine is cranking in the morning and won’t start until I put my foot on the accelerator.
Local mechanic had a look at it and reckons it need to go to Hyundai so they can update the computer in the start up or something like that.
Could that be the problem?
I did ask if it could be the fuel pump and he said no cause the car wouldn’t start at all if it was.
Anyone have any other ideas before I spend more money to take it back to the mechanic so he can take it to get its computer updated?