911 Carrera Cabriolet (996) F6-3.6L (2003)
NOTE: Use the brass closure cap on the test connection of the fuel supply line only once as the sealing ring cannot be replaced. To avoid possible
leaks, the cap must be replaced after removal.
2. Release the metal cap on the fuel collection pipe and screw it off by hand (a/f 13 mm).
3. Join the connecting cable No. 9559 using the special tool pressure gauge No. P 378a (union nut a/f 17). Screw the knurled union nuts of the
connecting cable by hand onto the test connection of the fuel collection pipe -arrow-.
Proceed as follows when the engine is not running:
4. Connect Porsche System Tester PST 2 and switch on ignition.
5. Activate fuel pump relay using Porsche System Tester. To do this, select the line "drive links" in the DME control unit individual search and then
select fuel pump relay. Activate by pressing "F8" -Figure-.
6. Read value on pressure gauge.
Target test values when engine not running: 3.8 ± 0.2 bar.