Hey guys, new here but have owned several Hyundai's in the past. So my brand new <2 week old Accent is having trouble when starting after sitting for a couple days. It will turn over for maybe 2-3 seconds before it starts. Not sure if it's caused from a drop in fuel pressure when sitting or what's going on. The shop didn't find anything wrong sadly so I'm left scratching my head...
Thanks for the help!

 

Is it a GDI engine? If so the high pressure fuel pump may have an issue.