What are the symptoms of a faulty car air conditioning temperature sensor?

1 Answers
EvelynLynn
07/30/25 8:00am
Car air conditioning temperature sensor failure can cause the air conditioning compressor to malfunction, affecting the air conditioning regulation capability, leading to erratic operation of the air conditioning system. Below is relevant information about automotive air conditioning: 1. Introduction to Automotive Air Conditioning: Automotive air conditioning consists of a compressor, condenser, throttle element, evaporator, fan, and necessary control components, forming an air conditioning system that regulates the temperature and humidity inside the vehicle to provide a comfortable environment for the driver. 2. Working Principle: When the compressor operates, it draws in low-temperature, low-pressure gaseous refrigerant from the evaporator. After compression, the temperature and pressure of the refrigerant increase, and it is sent to the condenser. Inside the condenser, the high-temperature, high-pressure gaseous refrigerant transfers heat to the outside air passing through the condenser, causing it to liquefy and turn into a liquid. The liquid refrigerant flows through the throttle device, where its temperature and pressure decrease, and it enters the evaporator. Inside the evaporator, the low-temperature, low-pressure liquid refrigerant absorbs heat from the inside air passing through the evaporator, causing it to evaporate and turn into a gas. The gas is then drawn into the compressor for the next cycle.
Was this review help?
1
3
Share
More Forum Discussions

Can fuel be siphoned from a car's gas tank using a tube?

Fuel cannot be siphoned from a car's gas tank using a tube. Modern car fuel tanks are equipped with filters, making it nearly impossible for a tube to enter the tank, let alone extract fuel. This design is also intended to prevent fuel theft. The one-way valve design in the fuel filler neck is structured to facilitate quick refueling, typically featuring a larger diameter. The fuel pump is located inside the tank, with its top sealed and connected to the tank's upper part. The low-pressure fuel line and return line are connected above the fuel pump. When the fuel pump is inactive, there is no direct connection between these lines and the tank, ensuring that even in the event of an accident, fuel will not leak out.
9
0
Share

What are the hazards of emergency braking when driving on slippery roads after rain?

The hazards of emergency braking when driving on slippery roads after rain: skidding and causing traffic accidents. Here is some information about skidding: 1. Skidding, also known as lateral slip, occurs when a vehicle is driving on a curved section of the road. Due to centrifugal force, the vehicle may slide outward in the cross-section direction of the curve. Alternatively, on an inclined road, the vehicle may slide downward due to lateral forces, or the vehicle may deviate from the normal driving direction due to improper front wheel alignment. 2. When driving on rainy, snowy, or slippery roads, maintain a steady speed, and smoothly apply or release the throttle. Avoid suddenly pressing the accelerator to speed up or suddenly releasing it to slow down.
7
3
Share

How to Turn on the Cold Air in a Cadillac?

To turn on the cold air in a Cadillac, follow these steps: 1. Press the A/C button on the air conditioning panel to activate or deactivate the cooling mode. Under certain weather conditions, if the cooling operation mode is turned off, the air will not be cooled or dehumidified, which may cause fogging on the window glass. Additionally, when the outside temperature is below zero, the cooling operation mode will automatically shut off. 2. Press the AUTO button for automatic mode. In automatic operation mode, the system will maintain a stable temperature inside the car based on the external temperature. The air temperature, air volume, and airflow distribution are automatically adjusted.
6
1
Share

Audi Q7 Engine Oil Specification?

Audi Q7 engine oil specification is 0W30. More information about Audi Q7 is as follows: 1. The Audi Q7 is a full-size SUV that emphasizes comfort, skillfully integrating sportiness, functionality, high technology, and luxury quality. 2. The Audi Advanced Parking System is an optional feature for the new Audi Q7. It uses eight ultrasonic sensors at the front and rear to monitor the areas in front of and behind the vehicle, providing the driver with visual assistance and alerts through sound and the MMI system. 3. The Audi Q7's engine delivers a maximum torque of 36.73 kgm, maintaining a plateau-like peak output from 2500 rpm to 5000 rpm. In terms of maximum horsepower, it also boasts an impressive performance of 280 hp at 6200 rpm.
7
1
Share

What are the precautions for brake fluid replacement?

Precautions for brake fluid replacement include completely removing air. The method for replacing brake fluid is as follows: 1. Park the vehicle on level ground, turn off the engine, open the hood, and drain the fluid from the reservoir; 2. Use a funnel to fill the reservoir with new brake fluid; 3. Use a jack to lift the vehicle and remove the tires starting from the rear wheels; 4. Remove the rubber dust cap from the brake caliper; 5. Use a wrench to loosen the bleeder screw and attach a rubber tube to it, connecting it to a drain bottle; 6. Press the brake pedal inside the vehicle while observing the fluid drainage until the fluid level in the reservoir under the hood reaches the lower limit. Brake fluids include castor oil alcohol type, synthetic type, and mineral oil type.
7
4
Share

What transmission does the new WeiLing use?

The new WeiLing uses a 6AT transmission, which is known for its good reliability and durability. The AT transmission is a widely used type of transmission, also known as a torque converter transmission. This type of transmission is connected to the engine through a torque converter and internally uses planetary gears to change speed and torque. The new WeiLing is equipped with a 1.5L naturally aspirated engine across the entire lineup, delivering a maximum horsepower of 112 hp and a maximum torque of 145 Nm. This engine reaches its maximum power output at 6100 rpm and its maximum torque at 4000 rpm. The engine features multi-point fuel injection technology and uses an aluminum alloy cylinder head and block.
1
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.