SSANGYONG Rexton Y200 Manual page 567

SSANGYONG Y200
M161 ENGINE CONTROLS 1F2-43
Fuel Pressure Test
Tools Required
103 589 00 21 00 Fuel Pressure Gauge
1. Turn the ignition switch to "OFF" position.
2. Remove the fuel pressure test connector.
3. Connect the fuel pressure gauge to the fuel pressure
test connector.
4. Test the fuel pressure at idling by operating the
engine using the fuel pressure gauge 103 589 00
21 00.
Vacuum Hose
YAA1F700
Connected (bar)
Vacuum Hose
Disconnected (bar)
5. Replace the pressure regulator diaphragm if out of
the specification.
Internal Leakage Test
1. Connect the fuel pressure gauge103 589 002100 to
the fuel pressure test connector.
2. Stop the engine for approximately 30 minutes and
then check the fuel pressure changes.
Pressure change
Fuel pressure
drops slowly
YAA1F0K0
Fuel pressure
drops rapidly
3. If there is no change in fuel pressure and maintain
the following pressure over 30minutes, it is normal.
Fuel pressure (bar)
3.2 ~ 3.6
3.7 ~ 4.2
•
Fuel leakage at the injector
•
Faulty fuel pressure
regulator's diaphragm
and O-ring
•
Faulty check valve in
the fuel pump
2.5