Porsche 996 TT Repair Manual page 608

8. Switch off ignition, pull off System Tester connecting lead in the vehicle and switch off System Tester.
Checking while engine is idling:
9. To check the engine while it is idling, connect the pressure gauge as described above and start the engine.
Switch off the engine after reading the fuel pressure.
Target test values when engine is idling: 3.3 ± 0.2 bar.
10. Loosen the union nuts of the connecting cable 9559 for the special tool pressure gauge 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 ± 0.5 Nm ( 0.5 ftlb.)
996420, 996421, 996450, 996451, 996620, 996621, 996650, 996651, 996840, 996841
20 02 01 Checking fuel pressure
einordnung
545