261
INJECTION
XSARA PICASSO
CHECKS: LOW PRESSURE FUEL SUPPLY CIRCUIT
Engines: RHY - RHZ
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
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.
Checks on pressure: static.
- Switch on ignition
For 3 seconds (normal functioning):
- Fuel supply pressure shown by the pressure gauge [3] = 1.8 ± 0.4 Bar.
- Fuel return pressure shown by the pressure gauge [3] = 0.5 ± 0.4 Bar.
B1BP1TWD
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