How long after passing the B2 subject 2 test can you take subject 3?

What engine does the Changan CS75 have?

The Changan CS75 is equipped with two engine options: a 1.5T turbocharged engine with a maximum power of 131 kW, a maximum torque of 265 Nm, and a maximum power speed of 5,500 rpm; and a 1.8T turbocharged engine with a maximum power of 130 kW, a maximum torque of 245 Nm, and a maximum power speed of 5,500 rpm. The Changan CS75 is a compact SUV under Changan Passenger Vehicle, with dimensions of 4,650 mm in length, 1,850 mm in width, and 1,705 mm in height, and a wheelbase of 2,700 mm. The driver's seat features 6-way electric adjustment, an electric lumbar support function, and is wrapped in ultra-fine leather for a soft, dense, and elastic feel.

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How to Eliminate Unpleasant Odors from Car Air Conditioning?

To eliminate unpleasant odors from car air conditioning, follow these steps: 1. Spray cleaning foam into the air conditioning vents inside the car, ensuring each vent receives some foam, then wait a few minutes; 2. Allow the foam to dissolve any dirt inside the ducts, then turn on the external circulation mode to blow away the foam; 3. Switch to hot air mode and blow for a few more minutes to dry any moisture inside the ducts. The air conditioning system is prone to mold growth inside the car, and unpleasant odors can make people uncomfortable in a closed environment for extended periods. Therefore, it's essential to use the car's internal and external circulation modes wisely, clean the air conditioning filter and ducts promptly, and thus reduce air conditioning odors.

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Why does the car stall automatically after starting?

There may be several reasons for the car stalling automatically after starting: 1. Triggering the car's anti-theft system, ignition switch failure, damaged ignition reference signal line, or excessively low fuel system pressure could all cause the car to stall after starting. 2. When driving, try to avoid operating too quickly or too frequently, as this may confuse the car's systems. This especially applies to the fuel system, ignition system, and braking system - the car's main systems. 3. During cold weather, the activity of the car's ignition system and fuel system decreases, and the electrical system may also become less responsive. Therefore, special attention should be paid to car maintenance in cold weather, using antifreeze or windshield washer fluid when necessary.

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What are the main functions of a car air conditioning system?

Car air conditioning is the abbreviation for the air conditioning system in a vehicle. Below are the regulation functions of a car air conditioning system: 1. Temperature regulation: This is the primary function of car air conditioning. In summer, the cooling system produces cold air to lower the temperature inside the cabin. In winter, except for large commercial vehicles that use independent combustion heaters for heating, other vehicles generally utilize the residual heat from the engine for heating. 2. Humidity regulation: The humidity inside the cabin should generally be maintained between 30% and 70%. Standard car air conditioning systems do not have the function to regulate cabin humidity; only advanced luxury vehicles equipped with integrated heating and cooling systems can achieve this through ventilation devices. 3. Airflow regulation: When the temperature is suitable, the airflow speed should be limited to a certain range. The speed can be adjusted appropriately based on passengers' living environment, age, health condition, and temperature preferences. 4. Air purification: The quality of air inside the cabin is an important factor in ensuring comfort.

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What Causes the Peugeot 408's Central Display to Show an Engine Fault?

Peugeot 408's central display showing an engine fault is caused by poor combustion state, poor fuel quality, unclean engine cylinder interior, and carbon deposits. Poor Combustion State: Poor engine combustion state is the main reason for the engine fault light to illuminate. In automotive design, to ensure the engine operates in good condition and maintains a normal working lifespan, oxygen sensors are installed to monitor the engine's combustion state. Once the combustion state deteriorates, it not only pollutes the environment but also leads to fuel wastage and excessive engine wear. Poor Fuel Quality: The engine has specific requirements for fuel quality indicators, especially as regulations increasingly demand higher performance from engines. In practice, some gas stations cannot fully comply with these standards to provide fuel that meets the requirements of high-performance engines, resulting in the engine fault light illuminating. Unclean Engine Cylinder Interior and Carbon Deposits: After a certain period of use, carbon deposits accumulate inside the engine. These deposits alter the engine's design parameters and, due to their unstable nature and heat retention, can cause uncontrolled ignition, leading to engine knocking. In such cases, the engine fault light will also illuminate. Solutions for Engine Faults: Engine Cleaning: Once the engine fault light comes on, the driver should promptly visit a repair shop to clean the carbon deposits using specialized cleaning agents. Using Higher Octane Fuel: After cleaning the engine, since most cars compliant with China's National IV emission standards have a compression ratio above 10.0, they are not suitable for long-term use of gasoline below 95 octane. To maintain the engine's good working condition, drivers can opt for 95 or 97 octane gasoline, which usually resolves the issue of the engine fault light illuminating.

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How to Detect Air Leakage in Car Tires?

Methods to detect air leakage in car tires include: 1. Remove the valve cap and spray soapy water directly onto the valve to observe if bubbles form; 2. Sprinkle water on the surface of the tire—hissing sounds or bubbling indicate the location of the leak; 3. Park the car on a flat surface and compare the tire pressure between the front and rear wheels to ensure they are equal. Tires must have good cushioning performance to absorb and dampen vehicle vibrations along with the suspension. Poor cushioning performance can affect ride comfort and the lifespan of other vehicle components. If you notice a decrease in tire pressure, use a tire inflator to add air before driving to a nearby repair shop for further inspection.

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How long after passing the B2 subject 2 test can you take subject 3?

What engine does the Changan CS75 have?

How to Eliminate Unpleasant Odors from Car Air Conditioning?

Why does the car stall automatically after starting?

What are the main functions of a car air conditioning system?

What Causes the Peugeot 408's Central Display to Show an Engine Fault?

How to Detect Air Leakage in Car Tires?

How long does the battery of an ETC device last?

What Are the Benefits of Antifreeze?

Does the BYD F3 Support Bluetooth?

Why Do Car Tires Squeak When Turning?