8-11 Periodic Maintenance and Adjustment
1. Idle speed stepper motor
2. Air damper degree sensor
3. Air damper
Air damper
Adjusts air intake volume.
Idle speed stepper motor
To stabilize the idle speed.
Fuel injector
Injects fuel into the cylinder.
Intake air temperature sensor
Senses the intake air temperature, allowing the
ECU to automatically adjust the fuel injection
volume.
Air intake pipe pressure sensor
For testing the negative pressure of the air
intake pipe, the engine has different
working settings. Two parameters, opening
of the air damper and pressure of air intake,
determine the engine’s working condition.
The ECU will adjust the fuel injection volume
according to different negative pressures
and opening of air damper. Adjusting the
engine fuel injection volume can adjust the
output power and output torque.
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