How to judge that the temperature sensor is broken, it will appear if the car air-conditioning temperature sensor is broken

There are many temperature sensors in automobiles. The common ones are coolant temperature sensor, intake air temperature sensor and air-conditioning temperature sensor. If the sensor is damaged, it will not be able to accurately reflect the engine working condition in time, which will affect the ECU to obtain the control information accurately and in time, so as to control The system works abnormally, resulting in poor engine operation and performance degradation. How to judge that the temperature sensor is broken?

If the car has trouble starting, unstable idling, shaking or black smoke, check whether the intake air temperature sensor is malfunctioning or damaged. If the intake air temperature sensor is faulty or damaged, the engine will not be able to accurately calculate the fuel injection volume, causing the mixture to be too rich or too lean, which will affect the performance of the engine.

If the car is difficult to start in the cold state, the idling speed is unstable, jitters, and the acceleration is weak; the engine failure indicator light is always on and the fan stops in the warm state. At this time, check whether the coolant temperature sensor is malfunctioning or damaged. If the coolant temperature sensor fails or is damaged, the engine will not be able to adjust the water temperature in time, the engine will not be cooled, and the pot will be boiled and the cylinder will be pulled.

The temperature sensor of the car air conditioner plays a very important role in the use of the air conditioner. If the temperature sensor of the car air conditioner is broken, it will cause the air conditioner compressor to not operate normally and affect the air conditioner regulation ability. The air conditioner will work out of order and cause the air conditioner to start frequently. Phenomenon, can not even be used. Repair or replace in time to ensure that the car can be used normally.