8-6 Periodic Maintenance and Adjustment
1. water temperature sensor
1. air damper degree sensor 2. idle speed step motor
3. air damper
Throttle Valve
To adjust the inlet airflow.
Idle control step motor
To stabilize the idle speed control
Fuel Injection Tap
To inject the fuel into the cylinder.
Inlet temperature sensor
To monitor the air intake temperature to the
engine, the ECU automatically adjusts the
fuel injection according to the temperature.
Inlet pressure sensor
To monitor the inner pressure of the inlet
line, the operation of the engine is
determined both by the throttle valve’s
angle and the inlet line pressure. The ECU
adjusts the injectors based on the inner
pressure and the angle of the throttle valve.
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