Fuel
Distributor
CamshaftAccumulator
A fuel pump mounted near fuel tank sends fuel to
accumulator at the pressure of 100psi
Fuel passes through
fuel distributor
Let’s Know About The Loopholes Of
Mechanically Controlled Injectors
Less Power
Output : Mechanical
System can’t provide
high-pressure fuel to
engine
2nd cause of less power generation :The Carbon Build Up
on intake blocks the airflow into the cylinder ..
Burn holes in catalytic converter: Due to disturbance in fuel flow ,the
carbon built up on intake increases day by day and this built-up causes
holes in catalytic converter
Produces high percentage of
Emission due to mechanical
injectors
Expensive :
Electronic Fuel
Injector
Electronic Injector System also possess
springs
Injectors opened By Electromagnet
system
The ECU determine the duration of getting
open and close of injectors
Air Pressure
Air Density
Air -Fuel pressure
Coolant Temperature
Timing
Speed
Is there any difference between Mechanical and electronic
injectors..???
Yes ………..Electronic injectors are controlled by complex-
microprocessor unit or a miniaturecomputer
But Mechanical System depends on the
data from airflow sensor alone …
Website:http://www.stuttgartautoservice.com/german-
auto-repair-services/

How Electronic Fuel Injector Works