Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
1. Remove lids for the two fuel tank flanges.
1.1. To do this, cut out the carpeted floor at the perforation using a carpet knife and fold it over.
1.2. Then unscrew the M6 fastening nuts -arrows- and remove the lids.
2. Disconnect the fuel pressure line (supply) -1- at the flange.