2000 Citroen C5 fuel filter

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INJECTION
FEATURES OF MULTIPOINT INJECTION SYSTEM
Fuel circuit
Air inlet circuit
(diagr.) Component Supplier Reference Observations
30
4
19
21
20
7
31
6
5
9Recommended fuel
Petrol injector
Canister purge electrovalve
Fuel tank
Canister reservoir
Fuel pump and gauge assembly
with integral fuel filter
Air temperature sensor
Air inlet pressure sensor
Idle regulation stepper motor
Butterfly housing
PotentiometerSAGEM
BOSCH
SAGEM (1)
SOLVAY
MGI
MARWAL
MAGNETI
MARELLI
BOSCH
MGI
MAGNETI
MARELLI (1)
MGI
MAGNETI
MARELLI280520274
IAT S04
0261230034
B13 (1)Unleaded 95 RON or 98 RON
2 way black connector. Resistance : 12,2 ohms
2 way brown connector. Installation : between the engine
fusebox and the brake amplifier
Capacity = 66 Litres
Installation : in the rear LH wheelarch
6 way black connector. Pressure : 3,5 Bars.
2 way grey connector, fixed on the butterfly housing
3 way grey connector integral with the inlet manifold.
4 way black connector, fixed on the butterfly housing
The butterfly housing comprises the inlet air temperature
sensor, the butterfly potentiometer, the electric motor.
3 way black connector, installed on the butterfly housing.
(1) = RFNengine

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INJECTION
FEATURES OF MULTIPOINT INJECTION SYSTEM
Fuel circuit
(diagr.) Component Supplier Reference Observations
8Petrol pressure regulator
22Petrol injector
27Petrol high pressure sensor
11Canister purge electrovalve
16Fuel tank
14Canister reservoir
15Fuel pump and gauge assembly
17Air temperature sensor
13Butterfly housing
13Butterfly housing motor
13Butterfly potentiometer
18Inlet air pressure sensor2 way brown connector, located on the petrol injection
common rail.
2 way orange connector, resistance : 1,88 ohms.
3 way black connector, located on the petrol injection
common rail.
2 way brown connector.
Capacity = 66 Litres.
Installed inside the rear LH wheelarch.
6 way black connector, pressure : 5 bars, integrated
fuel filter.
2 way grey connector, resistance : 2,05 kohms
The butterfly housing comprises :
Inlet air temperature sensor, butterfly potentiometer, electric
motor.
6 way black connector.
3 way grey connector, fixed under the air inlet manifold. SIEMENS5403
5048
5402
280520274
IAT S04
98023100 BOSCH
SOLVAY
MGI
MARWAL
MAGNELI
MARELLI
MGI
MAGNELI
MARELLI
BOSCHAir inlet circuit

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INJECTION
FEATURES OF BOSCH ME 7.4.6 MULTIPOINT INJECTION SYSTEM
Summary
(1) Rev counter
(2)Consumption information
(3)Ignition injection test warning lamp
(4) Air conditioning ECU (according to equipment)
(5)Multifunction screen
(6)Built-in systems interface (BSI)
(7) Transponder
(8)Automatic gearbox ECU(according to equipment)
(9 Pump, fuel filter and pressure regulator assembly
(10)Battery
(11)Pressostat
(12)Engine speed sensor
(13)Camshaft position sensors (x2)
(14)Motorised butterfly housing
(15)Canister purge electrovalve
(16)Cooling fan unit
(17)Pencil type ignition coils (x2)
(18) Petrol injectors (x6)(19) Variable timing electrovalves (x2)
(20)Upstream oxygen sensors (x2)
(21) Downstream oxygen sensors (x2)
(22)Engine coolant thermal sensor
(23) Knock sensors (x2)
(24)Power steering pressure sensor
(25) Integral pressure sensor
(26)Accelerator pedal position sensor
(27)Inlet air thermal sensor
(28) Diagnostic connector
(29) Multifunction double relay
(30) Ignition injection ECU
B1HP1B2P

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INJECTION
FEATURES OF BOSCH ME 7.4.6 MULTIPOINT INJECTION SYSTEM
Fuel circuit
(diagr.) Component Supplier Reference Observations
Recommended fuel
33Fuel tank
9Pump, fuel filter and pressure
regulator assembly
34Canister reservoir
15Canister purge electrovalve
18Petrol injector
31Pulse damper
25Integral pressure sensor
14Motorised butterfly housing
26Accelerator pedal position
sensorSuper unleaded 95 RON or 98 RON
Capacity = 66 Litres, polyethylene.
Electric pump immersed in the tank, voltage = 12 V,
Bars, Flow = 115 at 120 l/h, regulation pressure = 3,5 Bars.
Located under front LH wing.
Electrovalve normally closed. 2 way brown connector, located
under the front LH wing, resistance = 24 ohms.
Group of injectors 1.2.3: 2 way brown connector.
Group of injectors 4.5.6 : 2 way yellow connector, injector
with 4 jets. Resistance = 16 ohms.
Installed on the timing cover, equipped with a SCHRAEDER
valve.
2 way black connector, incorporated in the air inlet manifold.
Double potentiometer, supply = 5 Volts, fixed on the engine
compartment. MARWAL
PURFLUX
BOSCH
BOSCHPPGF 30
0 280142 317
EV 8 E
0280155613
0280161500
DS-S2
0261260140
Air circuit

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INJECTION
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Component (diagr.) Supplier Reference Observations
Recommended fuelDiesel
Fuel temperature sensor5ELTHOn the injection rail
Fuel high pressure sensor6BOSCHD281022093 On the injection rail
Fuel tank15Capacity = 68 litres.
Composition : Polyethylene.
Fuel pump16VDOElectric pump immersed in the tank. Voltage 12V.
Pressure : 7 Bars.
Fuel filter
17BOSCH0450907Fixing : on the engine.
Low pressure regulator Adjustment : 2,5 bars.
Fuel cooler18LON Fixed under the bodyshell.
Fuel heater19Integral with the coolant outlet housing.
Fuel high pressure pump20BOSCHCPThe fuel high pressure pump is driven by
the timing belt
Fuel high pressure injection
common rail21BOSCH86313 On the engine (18 cc).
Fuel circuit

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INJECTION
Component (diagr.) Supplier Reference Observations
Diesel injectors22BOSCH9625542580Reference 1 –Blue marking : injector Class 1.
Reference 2 – Green marking : injector Class 2.
If changing a diesel injector-carrier, order a
component of the same class.
Fuel high pressure regulator27BOSCHFixed on the fuel high pressure pump.
Fuel high pressure pump 3rd piston
deactivator28BOSCHFixed on the fuel high pressure pump.
Air circuit
Component (diagr.) Supplier Reference Observations
Air flowmeter4SIEMENS
Air filter23PSA 7899
Turbocompressor24KKK /
Exhaust gas recycling valve
(EGR)25PIERBURG Shim reference: violet.
Recycling regulation electrovalve
(EGR)26BOSCH
Exhaust line29
Vacuum pump44
EGR butterfly housing46MARK IV
EGR butterfly housing electrovalve45BOSCH
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Fuel circuit (continued)

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INJECTION
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Fuel circuit
Component (diagr.) Supplier Reference Observations
Recommended fuel Diesel
Fuel tank16Capacity = 65 Litres – Polyethylene.
Fuel tank17VDOElectric pump immersed in the tank.
Voltage: 12 volts – Pressure : 2 Bars
Fuel filter
18BOSCH0450907Fixing : on the engine.
Low pressure regulator Adjustment : 2,5 Bars
Fuel cooler19NOBEL
PLASTIQUEFixed under the bodyshell.
Fuel high pressure pump21BOSCHCP1The high pressure pump is driven by the timing
belt.
Diesel injectors23BOSCH9625542580
Fuel high pressure regulator31BOSCHFixed on the fuel high pressure pump.
Fuel high pressure pump 3rd piston
deactivator32BOSCHFixed on the fuel high pressure pump.
Fuel high pressure injection
common rail22BOSCH86313 On the engine (18 cc)
Fuel high pressure sensor7BOSCHD281022093 On the injection rail
Fuel temperature sensor6ELTHOn the injection rail
Fuel heater20Integral with the coolant outlet housing.

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INJECTION
Electrical circuit (continued)
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Component (diagr.) Supplier Reference Observations
Built-in systems interface (BSI)33
Cruise control safety switch35
Switching module
(under the steering wheel)37
Fuel cap presence sensor49
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Fuel circuit
Component (diagr.) Supplier Reference Observations
Recommended fuelDiesel
Fuel temperature sensor65MAGNETI
MARELLIOn the injection rail
Fuel high pressure sensor64BOSCHOn the injection rail
Fuel tank42Capacity = 68 Litres – Polyethylene
Fuel pump44VDOElectric pump immersed in the tank
Voltage : 12 V – Pressure : 2 Bars
Fuel filter
59BOSCHFixing on the engine
Low pressure regulator Adjustment : 2,5 Bars
Fuel cooler58NOBEL
PLASTIQUEFixed under the boyshell