Installing High-Pressure Sensor (Rail Pressure Sensor)

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.

Visually check the thread and sealing ball to make sure they are not damaged.
It must be possible to turn the high-pressure sensor slightly by hand. Lightly lubricate the high-pressure sensor with engine oil.
Bolt on the high-pressure sensor using a long socket (e.g. Hazet 900 Lg socket-wrench insert Nr.188 or a similar tool) -3- . → Tightening torque: 22 Nm (16 ftlb.)

Fig 1: Identifying High-Pressure System Connections
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Connect cable plug for high-pressure sensor.
Check high pressure distribution pipe for leaks. Following a test drive, visually inspect the high-pressure sensor with a mirror and lamp at idle speed.