911 Carrera Coupe (996) F6-3.6L (2002)
7. Switch off the fuel pump relay on the System Tester by pressing "F8".
8. Switch off ignition, pull off System Tester connecting lead in the vehicle and switch off System Tester.
9. When checking the engine at idle speed, connect the pressure gauge as described above and start the engine. Switch off the engine after reading the
fuel pressure.
Target test values engine idling: 3.8 ± 0.2 bar.
10. Loosen the union nuts of the connecting cable No. 9559 for the special tool pressure gauge No. P 378a on the test connection and remove special
tool. Collect emerging fuel, e.g. with a cloth.
11. Position new closure cap on test connection and tighten (a/f 13 mm).
Tightening torque of new brass closure cap: 2.5 (2.0) ± 0.5 Nm ( 0.5 ftlb.)