260
INJECTION
CHECKS: LOW PRESSURE FUEL SUPPLY CIRCUIT
Engines: 8HV - 8HY - 9HZ - 9HY
Tools.
[1] Ø 10 mm low pressure connector : 4215-T.
[2] Pressure gauge for testing boost pressure : 4073-T.A Tool kit 4073-T
IMPERATIVE: Respect the safety and cleanliness specific to high pressure diesel
injection engines.
Remove the air filter duct.
Link tool [1] in series, downstream of the injectors, between the fuel high pressure pump
and the fuel filter at
«a» and «b».
WARNING: Any checking of pressure downstream of the fuel filter is prohibited.
Switch on the ignition.
ESSENTIAL: Check that the tool [2] is clean.
Check the negative pressure according to the table below:
Vacuum Observations
10 ± 05 cmhg Engine driven by the starter motor
20 ± 20 cmhg
60 ± 05 cmhg
Engine running under full load
Supply circuit obstructed
(full tank
strainer, piping, fuel filter)
.
B1BP2PHC
C3 - XSARA PICASSO
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