Welcome to 2CarPros.
First, I have to tell you this vehicle isn't offered in the US, so my technical information is very limited. However, I have a feeling I know what is wrong.
On many fuel pumps, there is a filter referred to as a sock, that is designed to help filter the fuel as the pump first picks it up. Based on your description, it sounds like it is partially plugged and it takes a certain level of fuel in the tank before it will reach the pump.
The pump sounds like is it working, but I suspect there is a blockage low on the filter / sock.
Let me know if you have other questions.
Thursday, May 16th, 2019 AT 6:24 PM