Get Injection -> Features of Multipoint Injection System Guide for Citroen C3 SUV First Generation (2002-2009)

FEATURES OF MULTIPOINT INJECTION SYSTEM

Summary

(1) Vehicle speed sensor.

(2) Catalytic converter.

(3) Downstream oxygen sensor.

(4) Upstream oxygen sensor.

(5) Canister purge electrovalve.

(6) Canister reservoir.

(7) Fuel pump, fuel filter, gauge, pressure regulator.

(8) Injectors.

(9) Ignition coil.

(10) Thermoswitch – engine coolant thermostat.

(11) Engine coolant temperature sensor.

(12) Accelerator pedal pressure sensor.

(13) Butterfly housing.

(14) Knock sensor.

(15) Engine speed sensor.

(16) Inlet air pressure sensor.

(17) Diagnostic warning lamp, engine ECU.

(18) Ignition injection ECU.

B1HP1K5P

128

FEATURES OF MULTIPOINT INJECTION SYSTEM

Fuel system

(diagr.)

(7)

Component

Approved fuel

Supplier

Reference

Observations

Unleaded 95 RON or 98 RON.

BOSCH

Pressure: 3,5 Bars.

Fixing : Integrated in the fuel pump and gauge assembly.

Pressure regulator

MAGNETTI

MARELLI

KFV

(1.4i)

SAGEM

HFX

(1.1i)

MAGNETTI

MARELLI

2-way black connector.

Resistance : 14,5 Ohms.

(8)

(5)

Petrol injector

NFU

(1.6i 16V)

BOSCH

EATON

SAGEM

2-way brown connector.

Located to the right of the injection rail.

Canister purge electrovalve

PLASTIC

OMNIUM

Fuel tank

Capacity : 45 Litres.

(6)

(7)

Canister reservoir

COUTIER

Located beside the fuel tank.

Pump, gauge and petrol filter

assembly

Voltage: 12V. - Pressure: 3,5 Bars.

Electric pump submerged in the tank.

BOSCH

129

FEATURES OF MULTIPOINT INJECTION SYSTEM

Air inlet system

(diagr.)

(16)

Component

Supplier

BOSCH

Reference

Observations

1.1i-1.4i

96.393.814.80

Air inlet pressure sensor

4 way black connector, fixed on the air inlet manifold.

1.6i 16V

0261 230 043

MAGNETTI

MARELLI

Idle regulation stepper motor

Butterfly housing

4 way black connector, fixed on the butterfly housing.

The butterfly housing comprises :

Butterfly potentiometer.

1.1i

SOLEX

Idle regulation stepper motor.

(13)

Potentiometer

3 way black connector, fixed on the butterfly housing.

6 way black connector, fixed on the butterfly housing.

SIEMENS

VDO

EGAST02

1.4i

96 407 962 80

Motorised butterfly housing

assembly

1.6i 16V

0 289 000 259

6 way connector, fixed on the inlet manifold.

2 way connector.

Butterfly housing

BOSCH

Accelerator pedal with integral

sensor

(12)

96 458 515 80

130

FEATURES OF MULTIPOINT INJECTION SYSTEM

Electrical system

(diagr.)

(18)

Component

Supplier

Reference

Observations

MAGNETTI

MARELLI

1.1i

MM 48.P2

1.4i

SAGEM

BOSCH

S2000 PM.1 ”Flash” type Eprom (reprogrammable Eprom).

Ignition injection ECU

1.6i 16V

M7.4.4

261 204 707

(10)

(14)

Engine coolant thermoswitch

Knock sensor

On the cylinder head, closing temperature 118°C

SIEMENS

BOSCH

2 way black connector, fixed on the rear part of the engine block.

IMPERATIVE : Tighten to 2 ± 0,5 m.daN

3 way blue connector, fixed on the coolant outlet housing, tigh-

ten to 1,7 ± 0,1 m.daN.

(11)

Engine coolant temperature sensor

96 368 027

DAV

2 way black connector, fixed on the clutch casing.

IMPERATIVE : Tighten to 0,8 ± 0,25 m.daN.

96 399 998

(15)

(1)

Engine speed sensor

Vehicle speed sensor

ELECTRIFIL

EATON

PA66-GF 30

3 way white connector, fixed on the gearbox differential housing.

131

FEATURES OF MULTIPOINT INJECTION SYSTEM

Ignition system

(diagr.)

Component

Sparking plugs

Supplier

SAGEM

Reference

RFN 58 LZ

FR 7 DE

Observations

Electrode gap : 0.9 mm.

BOSCH

Tighten to 3 m.daN

RC 8 YCL

CHAMPION

BBC 2.2

NDT

SAGEM

2 526 208

Ignition coil

(9)

4 way grey connector.

BBC 2.2

NDT

ELECTRIFIL

C15 43 02

4 way green connector, on the exhaust manifold.

Tighten to 4,7 ± 0,7 m.daN

(4)

(3)

Upstream oxygen sensor

BOSCH

4 way blue connector, on the exhaust pipe.

Tighten to 4,7 ± 0,7 m.daN

Downstream oxygen sensor

132

Injection -> Features of Multipoint Injection System for Your Citroen C3 SUV First Generation (2002-2009)

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