Nissan Sentra. Manual - part 362
EC-144
< BASIC INSPECTION >
[MRA8DE]
FUEL PRESSURE
4. Connect fuel hose for fuel pressure check to fuel tube with
clamp as shown in the figure.
CAUTION:
• Wipe off oil or dirt from hose insertion part using cloth
moistened with gasoline.
• Apply proper amount of gasoline between top of the fuel
tube and No. 1 spool .
• Insert fuel hose for fuel pressure check until it touches
the No. 1 spool on fuel tube.
• Use NISSAN genuine hose clamp (part number: 16439
N4710 or 16439 40U00).
• When reconnecting fuel line, always use new clamps.
• Use a torque driver to tighten clamps.
• Install hose clamp to the position within 1 - 2 mm (0.04 - 0.08 in).
• Make sure that clamp screw does not contact adjacent parts.
5. Connect fuel tube adapter to quick connector.
After connecting fuel hose for fuel pressure check, pull the hose
with a force of approximately 98 N (10 kg, 22 lb) to confirm high
pressure fuel pump does not come off.
6. Turn ignition switch ON and check for fuel leakage.
7. Start engine and check for fuel leakage.
8. Read the indication of fuel pressure gauge.
CAUTION:
• Do not perform fuel pressure check with system operat-
ing. Fuel pressure gauge may indicate false readings.
• During fuel pressure check, confirm for fuel leakage from fuel connection every 3 minutes.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK FUEL HOSES
Check the following.
• Fuel hoses for clogging
• Fuel filter for clogging
• Fuel pump
• Fuel pressure regulator for clogging
Is the inspection result normal?
YES
>> Replace fuel pressure regulator.
NO
>> Repair or replace error-detected parts.
5:
No. 2 spool
Tightening
torque:
1 - 1.5 N·m (0.1 - 0.15 kg-m, 9 - 13 in-lb)
A
:Fuel pressure gauge
B
:Fuel hose for fuel pressure check
At idling
: Approximately 350 kPa (3.5 bar, 3.57 kg/cm
2
, 51 psi)
PBIB2983E
ALBIA0981ZZ