3.8 Fuel feed pump ...............................................................................................................................4-19
3.9 Fuel filter .........................................................................................................................................4-20
3.9.1 Outline of fuel filter .................................................................................................................. 4-20
3.9.3 Function of fuel filter ............................................................................................................... 4-20
3.10 Supply pump .................................................................................................................................4-20
3.11 Injection pipe .................................................................................................................................4-24
3.12 Rail assembly ................................................................................................................................4-24
3.13 Injector ..........................................................................................................................................4-26
3.13.1 Outline of injector .................................................................................................................. 4-26
3.13.2 Structure of injector............................................................................................................... 4-26
3.13.3 Function of injector ............................................................................................................... 4-27
3.14 Overflow pipe ................................................................................................................................4-29
3.15 Check valve...................................................................................................................................4-29
3.16 Fuel cooler ....................................................................................................................................4-29
3.17 Engine ECU ..................................................................................................................................4-30
3.17.1 Outline of engine ECU .......................................................................................................... 4-30
03-CR-E4,03-CR-TE4BG
vii
KiSC issued 02, 2021 A