L3 Turbo Engine
Fuel Injector
• The fuel injectors are located under the intake manifold, installed directly to the cylinder
head.
• They consist of a coil, spring, needle valve, filter and o-ring.
• The filter inside the injector can not be removed.
• The drive current is sent from the injector driver module causing excitation current to
pass through the coil and thereby pull in the needle valve. Due to this, the injection
nozzle opens and fuel is injected.
• The amount of injection is determined by the open time of the needle valve, i.e. the
energization time of the coil.
M6-MPS_01041
1 Coil 5 Spring
2 O-ring 6 Needle valve
3 High pressure 7 Gasket
4 Filter
01-46 Service Training Mazda6 MPS Supplement
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