The dead teenager's heartbroken family yesterday made an impassioned plea for the driver to give him or herself up.
Today Waitakere police acting area commander Trevor Beggs said there had been no significant developments overnight but police were now considering those responsible for Saturday night's hit-and-run might live outside Auckland.
Police had received several calls from the public after yesterday's press conference but were still appealing for help.
"Thanks to those people who have got in touch with us. We still need to hear from anyone who has seen a damaged car or has a friend, flatmate or family member acting suspiciously. They may not necessarily even be from the West Auckland area, they could live elsewhere in the greater Auckland area, the Waikato or Northland," said Beggs.
Police also wanted to hear from people who saw a suspicious car or dangerous driving between 11.30pm and 12.30am that night.
"I'm asking anyone who was perhaps driving in the Auckland area at that time to think back, did you see anyone driving in a manner that made you shake your head? As drivers we often see bad driving, perhaps someone going too fast, or with no lights on, and think 'how dangerous' but then forget about it 10 minutes later. These are the things we need to hear about," he said.
Detectives were working through the review and continuing to gather CCTV footage from Glen Eden and the greater West Auckland area.
Motorway cameras throughout Auckland were also being checked.
• Anyone with information was asked to contact the enquiry team on (09) 839 06 or anonymously on 0800 555 111.