The automotive oxygen sensor (lambda sensor) is a sensor detection device used in automobiles to measure oxygen concentration. It has now become a standard feature on automobiles. The oxygen sensor is mainly located on the exhaust pipe of the automobile engine. It is a key sensing component in the electronic fuel injection engine control system. It is also a key component for controlling automobile exhaust emissions, reducing automobile pollution to the environment, and improving the fuel combustion quality of automobile engines.

The ignition coil is one of the components of the automobile engine ignition system. Its function is to receive the high voltage electricity generated by the ECU's instructions and transmit it to the spark plug through the high-voltage ignition wire or sheath assembly, so that the spark plug electrode gap is broken down to generate spark ignition.

Clockspring is also called rotation connector, airbag spring or spiral cable, used for connect main airbag and airbag harness, or the switch buttons on steering wheel and harness for control unit. Clockspring is normally assembled in the room between steering wheel and steering column stalk switch. In order to guarantee the electricity transmission for airbag detonator and ECU igniter, it moves with steering wheel on driving condition. It guarantees reliable electricity connection for the moving parts of steering wheel and steering column.

ABS wheel speed sensor is a sensor used in the Anti-lock Braking System. It can monitor the frequency signal of each tire rotation at all times, and then feed the signal back to the ABS computer. When the vehicle speed reaches 40KM/h, the emergency brake ABS system starts to work. Commonly used wheel speed sensors are: electromagnetic wheel speed sensor, Hall wheel speed sensor.

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