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Denso Services Templates A1.indd 3 3/23/09 11:59:52 AM

SERVICE

DE

23000012E ©

2010 DE

NS

O E

urope B

.V. A

ll rights reserved. P

rinted in the N

etherlands. D

ED

S09-U

K04

CYLINDERPRESSURE

SOLENOID VALVEON

COMMAND PISTONUP

NOZZLE OPEN

HIGH PRESSUREFUEL FROM RAIL

INJECTION

RATE OF INJECTION

DRIVE CURRENT

SHORTER IGNITION DELAY DECREASE COMBUSTION NOISE

LOWER COMBUSTION TEMPERATURE DECREASE NO

TDC

EFFECT OF PILOT INJECTION

INJECTION OPERATION

SOLENOID

VALVE

HIGH PRESSURE FUEL INLET

INLET FILTER

COMMAND PISTON

BACK LEAK PORT

NOZZLE OPENING SPRING

NOZZLE

COMMON RAIL INJECTOR