CITROEN C5 2005 - 8 MM Low Pressure Connector; Extension

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INJECTION
CHECKS: LOW PRESSURE FUEL SUPPLY CIRCUIT
Engine: 4HX
Tools.
[1] Ø 10 mm low pressure connector : 4215-T
[2] Ø 8 mm low pressure connector : 4218-T
[3] Pressure gauge for testing boost pressure : 4073-T Kit 4073 -T
[4] Extension : 4251-T
Connect the tool [1] between the booster pump and the fuel filter (white mark at "a" on
the fuel supply pipe).
Connect the tool [2] downstream of the diesel injectors, between the high pressure fuel
pump and the fuel filter (green mark at "b" on the fuel return pipe).
WARNING: Any check of pressure downstream of the fuel filter is PROHIBITED.
NOTE: To check the pressures while the vehicle is being driven, insert tool [4] between
tool [3] and tools [1] et [2].
Checks on pressure: static.
Switch on ignition.
For 3 seconds (normal functioning):
- Fuel supply pressure shown by the pressure gauge [3] = 2.6 ± 0.4 bar.
- Fuel return pressure shown by the pressure gauge [3] = 0.6 ± 0.4 bar.
B1BP27BD
C5
Angl.T3-page191-206-2005 4/02/05 15:05 Page 192