1. water temperature sensor
1. air damper degree sensor 2. idle speed stepper motor
3. air damper
Throttle Valve
To adjust the inlet airflow.
Idle control stepper motor
To stabilize the idle speed control
Fuel Injection Tap
To inject the fuel into the cylinder.
Inlet temperature sensor
To check the inlet temperature of the engine.
According to temperature, ECU automatically
could adjust the injection quantity.
Inlet pressure sensor
To test the inner pressure of the inlet pipe,
the working condition of the engine is
determined both by the throttle valve’s
opening angle and the inlet pipe pressure.
ECU can adjust the injection quantity
according to the inner pressure and the
opening angle of the throttle valve. The
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