SsangYong Musso. Manual — part 343
M161 ENGINE CONTROLS 1F2-51
9. Installation should follow the removal procedure in the
reverse order.
10. Check for fuel pressure and internal leakage by operating
the engine.
8. Pull out the injector from intake manifold and remove the
fuel distributor.
Notice
Replace the injector O-ring with new one.
Ignition Coil & Cable
z
Ignition coil T1/1 No.1 cylinder + No.4 cylinder
z
Inition coil T1/2 No.1 cylinder + No.4 cylinder
1F2-52 M161 ENGINE CONTROLS
Fuel Pressure Test
1. Turn the ignition switch to "OFF" position.
2. Remove the fuel pressure test connector.
Vacuum Hose Connected (bar)
3.2-3.6
Vacuum Hose Disconnected (bar) 3.7-4.2
5. Replace the pressure regulator diaphragm if out of the
specification.
3. Connect the fuel pressure gauge to the fuel pressure test
connector.
4. Test the fuel pressure at idling by operating the engine.
M161 ENGINE CONTROLS 1F2-53
3. If there is no change in fuel pressure and maintain the
following pressure over 30 minutes, it is normal.
Internal Leakage Test
1. Connect the fuel pressure gauge to the fuel pressure test
connector.
2. Stop the engine for approx. 30 minutes and then check the
fuel pressure changes.
Fuel pressure
drops slowly
•
Fuel leakage at the
injector
•
Faulty fuel pressure
regulator's
diaphragm and O-
ring.
Fuel pressure
drops rapidly
•
Faulty check valve
in the fuel pump.
Possible Cause
Pressure Change
Fuel Pressure(bar)
2.5
Discharging the pressure in fuel system
1. Remove the fuel pressure test connector.
Installation Notice
2. Remove the fuel pressure in fuel system by pressing the
service valve with a clean, pointy tool.
Notice
Place a cloth so that the fuel doesn't stain around.
Tightening Torque
22.5 - 27.5 Nm
1F2-54 M161 ENGINE CONTROLS
INJECTOR
Preceding Work : Removal of fuel distributor
1 O-ring . . . . . . . . . Replace, if damaged
2 Injector Bracket
3 Injector
4 O-ring . . . . . . . . . Replace, if damaged
5 Fuel Distributor
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