It's in there!
http://www.nicoclub.com/FSM/G35/Sedan/2008/EC.pdf
EC 550
FUEL PRESSURE CHECK
CAUTION:
Before disconnecting fuel line, release fuel pr
essure from fuel line to eliminate danger.
NOTE:
•
Prepare pans or saucers under the disconnected fuel
line because the fuel
may spill out. The fuel
pressure cannot be completely released because
V36 models do not have fuel return system.
•
Use Fuel Pressure Gauge Kit (J-44321) to check fuel pressure.
1. Release fuel pressure to zero.
2. Install the inline fuel quick disconnected fitting (A) between fuel
damper (1) and injector tube.
3. Connect the fuel pressure test gauge (quick connector adapter
hose) (B) to the inline fuel quick disconnected fitting.
4. Turn ignition switch ON and check for fuel leakage.
5. Start engine and check for fuel leakage.
6. Read the indication of fuel pressure gauge.
At idling
: Approximately 350 kPa (3.57 kg/cm
2
, 51 psi
7. If result is unsatisfactory, c
heck fuel hoses and fuel tubes for
clogging.
If OK, Replace “fuel filter and fuel pump assembly”.
If NG, Repair or replace
Telcoman