Please need help. Noticed my cayenne would not start first time but would after 2 or 3 attempts. Was advised to replace the battery which l did but still no change. Would love to hear if anyone has experienced this before and how it got fixed.

 

same issue i'm dealing with.
new battery.....checked both fuel pumps....all good
I'm going to be replacing fuel filter soon.
From what i've read and heard, it seems like there is a valve in the fuel filter that goes bad.

 

Fuel filter flange(2) must be changed, when doing both fuel pumps. The flange(left rear) is the weakest link, in the entire fuel system.