Traditional Culture Encyclopedia - The 24 Solar Terms - Composition of Corolla 1.8 Engine EFI System
Composition of Corolla 1.8 Engine EFI System
Simply put, the EFI system consists of sensor +ECU+ actuator.
Sensors include: air flow meter, crankshaft position sensor, camshaft position sensor, water temperature sensor, knock sensor, accelerator pedal position sensor, throttle position sensor, oxygen sensor, air-fuel ratio sensor, etc.
ECU: Engine control unit (usually referred to as engine computer)
Actuators include: fuel injector, ignition coil, throttle motor, VVT actuator, etc.
The ECU controls the actuator to work according to the signal of the sensor.
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