4-7
4.2
EFI SYSTEM
4.2.1 Working principal
●
EFI system including the following parts in the table.
Part Name
Major component and explanation
Mounting position and description
ECU controller
Computer program, chip, electronic components, circuit board
On the Vehicle
Throttle valve body
Throttle body, throttle position sensor (TPS)
Outside the intake valve of cylinder head
Oxygen sensor
Used for closed-loop control
On the muffler
Engine temperature sensor
To measure the engine temperature
On the cylinder head, cylinder block, or high
temperature water passage.
IAT sensor
To measure the air inlet temperature
On the air filter
Intake pressure sensor
To measure the air inflow
On the Vehicle
Fuel pump
To generate the necessary high-pressure fuel
On the Vehicle
Fuel injector
To inject fuel
On the air inlet pipe of engine
Idle air control valve (IACV)
To compensate engine idle air intake
On the Vehicle
EFI main relay
Special-purpose components for EFI system
On the Vehicle
Ignition coil
Inductance type ignition coil
On the engine
Magneto
Including 36-2 teeth magnet steel, coil and rotation speed sensor
On the engine
Spark plug
Spark plug type: CPR8EA, standard valve of contact clearance:
0.85~0.95mm
。
On the engine
Содержание LF200-10P
Страница 36: ...2 28 31 Remove the starting driven gear set and washer then check them for wear Replace the worn part...
Страница 42: ...2 34 17 Check the water pump gear and O ring for wear replace them if necessary O RING...
Страница 54: ...2 46 13 Check the coils of both rotor and stator of magneto for damage Replace the damaged part...
Страница 90: ...4 3 ELECTRIC DIAGRAM...