Preliminary Work
WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
- Read out engine control unit fault memory before getting started and print log.
- Switch off the ignition and all loads when working on the fuel system.
- Disconnect the battery.
- Remove intake-air distributor (intake module). → Removing Intake-Air Distributor
- Pull cable plugs off the injectors.
- Remove both high-pressure distribution pipes (fuel rails) for all injectors. → Removing Fuel Distribution Pipe (Fuel Rail)