Fuel system - Td4 Diesel

GENERAL DATA

04-16

Fuel system - Td4 Diesel

System

Common rail, direct injection

Fuel specification

EN590 diesel*

⇒

 Pump output

250 kPa (2.5 bar, 36.3 lbf.in

2

)

Fuel pump

⇒

 Up to 03 MY

⇒

 Pump output

⇒

 03 MY onwards

Electric - submersible in fuel tank
250 kPa (2.5 bar, 36.3 lbf.in

2

)

Fuel tank pump deleted, replaced by auxiliary delivery pump located 
in RH rear wheel arch

Auxiliary delivery pump

⇒

 Up to 03 MY

⇒

 03 MY onwards

Electrical - in line, located in engine compartment
Electrical - in line, located in RH rear wheel arch

Maximum delivery volume

240 litres per hour (52.75 imp. gallons) @ 12V

Fuel high pressure pump

Bosch Cp1 mechanical high pressure, 3 radial piston

⇒

 Drive

Chain driven from crankshaft at 0.75 x engine speed

⇒

 Pressure control

Mounted on CP1, controlled by DDE 4.0

Pressure regulator

⇒

 Up to 03 MY

⇒

 03 MY onwards

Located in engine compartment between fuel filter and injection pump
Incorporated with in-tank suction and sender module

⇒

 Pressure (nominal) 

2.4 to 2.8 bar (34.8 to 40.6 lbf.in

2

)

Injectors:

⇒

 Make

⇒

 Nozzle type

⇒

 Position

⇒

 Impedance

⇒

 Injector operating pressure

Bosch CRI 0445 110 030
DSLA 145P 868
Central
14.5 

Ω

 

±

 5% @ 20%

250 - 1350 bar (3625 - 19575 lbf.in

2

)

Injection begins:

⇒

 Pre-injection (maximum)

60

°

 BTDC

⇒

 Main injection (maximum)

25

°

 BTDC

⇒

 Post injection

100 - 200

°

 crank ATDC

Injection timing

Controlled by Bosch DDE 4.0 engine management system for 
common rail injection

Injection quantity

1 - 80 mm

3

Pre-delivery fuel pressure sensor

⇒

 Up to 03 MY

⇒

 03 MY onwards

Bosch / DS-K-400/50, located in filter head
Bosch /DS-K-400kPa, in-line, located in engine compartment

⇒

 Pressure

400 kPa (58.0 lbf/in

2

)

Fuel rail pressure sensor:

⇒

 Measuring range

0 - 1500 bar (0-21750 lbf/in

⇒

 Over pressure (max.)

1800 bar (26100 lbf/in

2

)

⇒

 Burst pressure

3000 bar (43500 lbf/in

2

)

⇒

 Temperature range

-40

°

C to +120

°

C (-40

°

F to +248

°

F)

Fuel filter

⇒

 Up to 03 MY

⇒

 From 03 MY

In-line between auxiliary fuel pump and high-pressure fuel injection 
pump, located in engine compartment
In-line, located in RH rear wheel arch