SsangYong Actyon Sports II. Manual — part 23
03-12
(5) High Pressure System Pressure Test
Fuel rail pressure test
▶
Disconnect the fuel rail pressure sensor
connector and then IMV connector.
1.
Connect the pressure tester to the fuel rail
pressure sensor connector.
2.
Crank the engine 2 times for 5 seconds.
3.
Read the highest pressure value displayed
on the tester display.
If the highest pressure value is 1,050 bar or
less, refer to the section "Fuel System
Check Process".
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-
03-13
2210-01
How To Use Pressure Tester
▶
Press the "TEST" button on the tester to
check if the message "TEST?" is displayed.
If the button is pressed again at 4 seconds
after starting engine cranking, the highest
pressure is displayed on the tester.
1.
2.
The fuel rail pressure value can be checked using a diagnostic device.
03-14
(6) Low Pressure System Pressure Test
Inspection procedure
▶
All wirings/connectors and fuel lines should be
connected and the engine should work
properly.
Prepare a special tool for low pressure test
and clean it thoroughly to prevent foreign
materials from entering.
1.
2.
Disconnect the key connector for fuel filter connection, and connect both connectors to the fuel filter
and hose.
3.
Start the engine and check visually for clogged low pressure fuel system, excessive air or air entry.
If the fuel flow is not sufficient or air is in the fuel, repair the leak area.
4.
5.
03-15
2210-01
Static test for backleak of injector
▶
Disconnect the injector return hose and cover
the openings with caps shaped screw (included
in the special tool).
1.
Connect the hose of the container for
measuring backleak to the return nipple of the
injector.
(prevent air entry to the low pressure line)
2.
Disconnect the IMV connector of the high
pressure pump and then fuel pressure
sensor connector.
3.
The connector of the injector can be easily
contaminated. Always keep it clean.
Crank the engine 2 times for 5 seconds.
Check the time for flow if injector backleak and
confirm that it is within the specified range.
4.
5.
If the value is out of the specified range,
replace the injector.
Specification
Below 20 sec.
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