Periodic Maintenance and Adjustment 8-11
Fuel injector
Inject the fuel into the cylinder
Intake air temperature sensor
Inspect engine intake air temperature,
according to the temperature, ECU will
automatically adjust the fuel injection volume.
1. Idle speed stepper motor
2. Air damper degree sensor
3. Throttle
Air damper
For the purpose of adjustment of air intake
volume.
Idle speed stepper motor
To stabilize the idle speed
Air intake pipe pressure sensor
When testing the negative pressure of the air
intake pipe the engine will have two different
parameters. Opening the air damper and
the air intake pressure will affect the ECU,
and will adjust the fuel injection volume
according to the differences in pressures
created by the opening of the air damper.
Adjusting the engine fuel injection volume
can adjust the output power and output
torque.
Water temperature sensor
The ECU will automatically adjust the fuel
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